Schedule II - Valuation and Qualifying Accounts - Valuation Allowance (Details) - USD ($) $ in Thousands		12 Months Ended
		Jan. 31, 2022	Jan. 31, 2021
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
Valuation allowances and reserves		$ 17,746	$ 15,937
Valuation allowances and reserves, charges to expenses		(717)	1,854
Valuation allowances and reserves, write-offs	[1]	0	0
Valuation allowances and reserves, other charges	[2]	(124)	(45)
Valuation allowances and reserves		16,905	17,746
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
Valuation allowances and reserves		474	407
Valuation allowances and reserves, charges to expenses		32	72
Valuation allowances and reserves, write-offs	[1]	0	(7)
Valuation allowances and reserves, other charges	[2]	(20)	2
Valuation allowances and reserves		$ 486	$ 474

[1] Uncollectible accounts charged off.

[2] Trade receivable allowances primarily related to recoveries from accounts previously charged off and currency translation. Deferred tax asset valuation allowance primarily related to amounts charged to other comprehensive income.