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Credit Agreement and Long- Term Debt- Schedule of Long Term Debt in the Accompanying Condensed Consolidated Balance Sheets (Parenthetical) (Detail)	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Term Loan Due September 30, 2025 [Member]
Debt Instrument [Line Items]
Debt instrument, description of variable rate basis	2.35% as of January 31, 2022); maturity date of September 30, 2025
Interest rate	2.35%
Debt instrument, maturity date	Sep. 30, 2025
Term Loan Due January 31, 2021 [Member]
Debt Instrument [Line Items]
Debt instrument, description of variable rate basis		4.65% as of January 31, 2021
Interest rate		4.65%

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- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-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))
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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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