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The vested shares will be delivered to the Reporting Person upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"20,049 RSUs were granted on November 3, 2025.  5,012 RSUs vest on each of November 3, 2026, November 3, 2027, and November 3, 2028, and 5,013 RSUs vest on November 3, 2029, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date.  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The vested shares will be delivered to the Reporting Person upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"4,692 RSUs were granted on October 3, 2022.  1,173 RSUs vested on each of October 3, 2023, October 3, 2024 and October 3, 2025. 1,173 RSUs vest on October 3, 2026, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. 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The vested shares will be delivered to the Reporting Person upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"4,541 RSUs were granted on November 4, 2022. 1,135 RSUs vested on each of November 4, 2023 and November 4, 2024. 1,135 RSUs vest on November 4, 2025, and 1,136 RSUs vest on November 4, 2026, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. 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The vested shares will be delivered to the Reporting Person upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"5,588 RSUs were granted on November 4, 2024. 1,397 RSUs vest on each of November 4, 2025, November 4, 2026, November 4, 2027 and November 4, 2028, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. 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The vested shares will be delivered to the Reporting Person upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"3,835 RSUs were granted on November 3, 2023. 958 RSUs vest on November 3, 2024, and 959 RSUs vest on each of November 3, 2025, November 3, 2026 and November 3, 2027, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. 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Each dividend equivalent unit represents a contingent right ot receive one share of Common Stock."}],"balance_after":2095,"source":{"system":"sec-edgar","filing":"0001003078-23-000116","document":"wk-form4_1699391949.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1003078/000100307823000116/wk-form4_1699391949.xml","form_type":"4"}},{"id":1747889,"issuer":{"id":8855,"kind":"organization","name":"MSC INDUSTRIAL DIRECT CO INC","symbol":"MSM"},"owners":[{"id":73598,"kind":"person","name":"McIsaac Martina","position":1,"cik":"0001947693","reported_name":"McIsaac Martina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Operating Officer"}}],"security":"Class A Common Stock, $0.001 par value","published_at":"2023-11-07T21:19:20.000Z","date":"2023-11-04","kind":"exercise","planned":false,"acquired":true,"shares":1135,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each RSU represents a contingent right to receive one share of Common Stock."}],"balance_after":2054,"source":{"system":"sec-edgar","filing":"0001003078-23-000116","document":"wk-form4_1699391949.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1003078/000100307823000116/wk-form4_1699391949.xml","form_type":"4"}},{"id":1765834,"issuer":{"id":8855,"kind":"organization","name":"MSC INDUSTRIAL DIRECT CO INC","symbol":"MSM"},"owners":[{"id":73598,"kind":"person","name":"McIsaac Martina","position":1,"cik":"0001947693","reported_name":"McIsaac Martina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Operating Officer"}}],"security":"Dividend Equivalent Units","published_at":"2023-10-04T20:26:26.000Z","date":"2023-10-03","kind":"exercise","planned":false,"acquired":false,"shares":42.721,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The dividend equivalent units accrued with respect to outstanding awards of restricted stock units (RSUs) and vest at the same time(s) as the underlying RSUs. Each dividend equivalent unit represents a contingent right ot receive one share of Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The dividend equivalent units accrued with respect to outstanding awards of restricted stock units (RSUs) and vest at the same time(s) as the underlying RSUs. Each dividend equivalent unit represents a contingent right ot receive one share of Common Stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The dividend equivalent units accrued with respect to outstanding awards of restricted stock units (RSUs) and vest at the same time(s) as the underlying RSUs. Each dividend equivalent unit represents a contingent right ot receive one share of Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 87.094 dividend equivalent units accrued on November 29, 2022, 91.238\n dividend equivalent units accrued on January 24, 2023, 82.941 dividend equivalent  units accrued on April 25, 2023, and 74.997 dividend equivalent units accrued on July 25, 2023 with respect to outstanding awards of restricted stock units (RSUs). Such dividend equivalent units vest at the same time(s) as the underlying RSUs and represent a contingent right to receive one share of Common Stock."}],"balance_after":294,"derivative":{"underlying":"Class A Common Stock, $0.001 par value","underlying_shares":42.721},"source":{"system":"sec-edgar","filing":"0001003078-23-000080","document":"wk-form4_1696451172.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1003078/000100307823000080/wk-form4_1696451172.xml","form_type":"4"}},{"id":1765833,"issuer":{"id":8855,"kind":"organization","name":"MSC INDUSTRIAL DIRECT CO INC","symbol":"MSM"},"owners":[{"id":73598,"kind":"person","name":"McIsaac Martina","position":1,"cik":"0001947693","reported_name":"McIsaac Martina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Operating Officer"}}],"security":"Restricted Stock Units (RSU)","published_at":"2023-10-04T20:26:26.000Z","date":"2023-10-03","kind":"exercise","planned":false,"acquired":false,"shares":1173,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each RSU represents a contingent right to receive one share of Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"4,692 RSUs were granted on October 3, 2022.  1,173 RSUs vested on October 3, 2023. 1,173 RSUs vest on each of October 3, 2024, October 3, 2025 and October 3, 2026, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. The vested shares will be delivered to the Reporting Person upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"4,692 RSUs were granted on October 3, 2022.  1,173 RSUs vested on October 3, 2023. 1,173 RSUs vest on each of October 3, 2024, October 3, 2025 and October 3, 2026, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. The vested shares will be delivered to the Reporting Person upon vesting."}],"balance_after":3519,"derivative":{"underlying":"Class A Common Stock, $0.001 par value","underlying_shares":1173},"source":{"system":"sec-edgar","filing":"0001003078-23-000080","document":"wk-form4_1696451172.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1003078/000100307823000080/wk-form4_1696451172.xml","form_type":"4"}},{"id":1765832,"issuer":{"id":8855,"kind":"organization","name":"MSC INDUSTRIAL DIRECT CO INC","symbol":"MSM"},"owners":[{"id":73598,"kind":"person","name":"McIsaac Martina","position":1,"cik":"0001947693","reported_name":"McIsaac Martina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Operating Officer"}}],"security":"Class A Common Stock, $0.001 par value","published_at":"2023-10-04T20:26:26.000Z","date":"2023-10-03","kind":"tax_withholding","planned":false,"acquired":false,"shares":296.721,"price":96.76,"value":28710.72396,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Disposition of Class A Common Stock to the Issuer to cover tax withholding obligations arising from the vesting of RSUs and DEUs."}],"balance_after":919,"source":{"system":"sec-edgar","filing":"0001003078-23-000080","document":"wk-form4_1696451172.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1003078/000100307823000080/wk-form4_1696451172.xml","form_type":"4"}},{"id":1765831,"issuer":{"id":8855,"kind":"organization","name":"MSC INDUSTRIAL DIRECT CO INC","symbol":"MSM"},"owners":[{"id":73598,"kind":"person","name":"McIsaac Martina","position":1,"cik":"0001947693","reported_name":"McIsaac Martina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Operating Officer"}}],"security":"Class A Common Stock, $0.001 par value","published_at":"2023-10-04T20:26:26.000Z","date":"2023-10-03","kind":"exercise","planned":false,"acquired":true,"shares":42.721,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The dividend equivalent units accrued with respect to outstanding awards of restricted stock units (RSUs) and vest at the same time(s) as the underlying RSUs. Each dividend equivalent unit represents a contingent right ot receive one share of Common Stock."}],"balance_after":1216,"source":{"system":"sec-edgar","filing":"0001003078-23-000080","document":"wk-form4_1696451172.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1003078/000100307823000080/wk-form4_1696451172.xml","form_type":"4"}},{"id":1765830,"issuer":{"id":8855,"kind":"organization","name":"MSC INDUSTRIAL DIRECT CO INC","symbol":"MSM"},"owners":[{"id":73598,"kind":"person","name":"McIsaac Martina","position":1,"cik":"0001947693","reported_name":"McIsaac Martina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Operating Officer"}}],"security":"Class A Common Stock, $0.001 par value","published_at":"2023-10-04T20:26:26.000Z","date":"2023-10-03","kind":"exercise","planned":false,"acquired":true,"shares":1173,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each RSU represents a contingent right to receive one share of Common Stock."}],"balance_after":1173,"source":{"system":"sec-edgar","filing":"0001003078-23-000080","document":"wk-form4_1696451172.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1003078/000100307823000080/wk-form4_1696451172.xml","form_type":"4"}},{"id":2122706,"issuer":{"id":8855,"kind":"organization","name":"MSC INDUSTRIAL DIRECT CO INC","symbol":"MSM"},"owners":[{"id":73598,"kind":"person","name":"McIsaac Martina","position":1,"cik":"0001947693","reported_name":"McIsaac Martina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Operating Officer"}}],"security":"Restricted Stock Units (RSU)","published_at":"2022-11-08T22:16:45.000Z","date":"2022-11-04","kind":"grant","acquired":true,"shares":4541,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each RSU represents a contingent right to receive one share of Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"4,541 RSUs were granted on November 4, 2022.  1,135 RSUs vest on each of November 4, 2023, November 4, 2024 and November 4, 2025, and 1,136 RSUs vest on November 4, 2026, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. The vested shares will be delivered to the Reporting Person upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"4,541 RSUs were granted on November 4, 2022.  1,135 RSUs vest on each of November 4, 2023, November 4, 2024 and November 4, 2025, and 1,136 RSUs vest on November 4, 2026, provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. The vested shares will be delivered to the Reporting Person upon vesting."}],"balance_after":4541,"derivative":{"underlying":"Class A Common Stock, $0.001 par value","underlying_shares":4541},"source":{"system":"sec-edgar","filing":"0001003078-22-000152","document":"certent-form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1003078/000100307822000152/certent-form4.xml","form_type":"4"}},{"id":2142763,"issuer":{"id":8855,"kind":"organization","name":"MSC INDUSTRIAL DIRECT CO INC","symbol":"MSM"},"owners":[{"id":73598,"kind":"person","name":"McIsaac Martina","position":1,"cik":"0001947693","reported_name":"McIsaac Martina","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Chief Operating Officer"}}],"security":"Restricted Stock Units (RSU)","published_at":"2022-10-05T14:20:49.000Z","date":"2022-10-03","kind":"grant","acquired":true,"shares":4692,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each RSU represents a contingent right to receive one share of Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"4,692 RSUs were granted on October 3, 2022. 1,173 RSUs vest on each of October 3, 2023, October 3, 2024, October 3, 2025 and October 3, 2026 provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. The vested shares will be delivered to the Reporting Person upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"4,692 RSUs were granted on October 3, 2022. 1,173 RSUs vest on each of October 3, 2023, October 3, 2024, October 3, 2025 and October 3, 2026 provided that the Reporting Person remains continuously employed by the Issuer through each applicable vesting date. The vested shares will be delivered to the Reporting Person upon vesting."}],"balance_after":4692,"derivative":{"underlying":"Class A Common Stock, $0.001 par value","underlying_shares":4692},"source":{"system":"sec-edgar","filing":"0001003078-22-000105","document":"certent-form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1003078/000100307822000105/certent-form4.xml","form_type":"4"}}]}