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v3.21.1

Credit Agreement and Long- Term Debt - Schedule of Long Term Debt in the Accompanying Condensed Consolidated Balance Sheets (Parenthetical) (Detail) | 12 Months Ended
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Jan. 31, 2021
Term Loan Due June 15, 2022 [Member] |
Debt Instrument [Line Items] |
Debt instrument, description of variable rate basis | 4.65% as of January 31, 2021); maturity date of June 15, 2022
Interest rate | 4.65%
Debt instrument, maturity date | Jun. 15, 2022
Term Loan Due November 30, 2022 [Member] |
Debt Instrument [Line Items] |
Interest rate | 3.03%
Term Loan Due January 31, 2022 [Member] |
Debt Instrument [Line Items] |
Interest rate | 3.03%

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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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