Valuation and Qualifying Accounts (Parenthetical) (Details) $ in Millions	12 Months Ended
Jan. 31, 2022 USD ($)
Doubtful Accounts
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Net (benefit) / provision charged to operations, reversal	$ 0.9

Amount of increase in valuation and qualifying accounts and reserves from recovery of amount previously written off or reestablishment of reserve previously utilized.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column C)(2))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690

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Balance Type:	credit
Period Type:	duration