Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022		Jan. 31, 2021
Valuation and qualifying accounts and reserves
Balance at beginning of year	$ 35,672	$ 36,104		$ 33,205
Net provision/(benefit) charged to operations	44,483	42,806		41,056
Currency revaluation	(471)	(711)		1,430
Net write-offs	(49,085)	(42,527)		(39,587)
Balance at end of year	30,599	35,672		36,104
Allowance for Expected Credit Losses
Valuation and qualifying accounts and reserves
Balance at beginning of year	5,831	7,042		5,643
Net provision/(benefit) charged to operations	1,000	(98)	[1]	1,331
Currency revaluation	(8)	(161)		316
Net write-offs	(1,846)	(952)		(248)
Balance at end of year	4,977	5,831		7,042
Returns
Valuation and qualifying accounts and reserves
Balance at beginning of year	13,715	13,901		13,280
Net provision/(benefit) charged to operations	30,418	31,105		31,892
Currency revaluation	(59)	(223)		325
Net write-offs	(30,987)	(31,068)		(31,596)
Balance at end of year	13,087	13,715		13,901
Other Sales Allowances
Valuation and qualifying accounts and reserves
Balance at beginning of year	9,105	8,154		8,801
Net provision/(benefit) charged to operations	15,258	10,798		6,189
Currency revaluation	(76)	(169)		251
Net write-offs	(15,793)	(9,678)		(7,087)
Balance at end of year	8,494	9,105		8,154
Deferred Tax Asset Valuation Allowance
Valuation and qualifying accounts and reserves
Balance at beginning of year	7,021	7,007		5,481
Net provision/(benefit) charged to operations	(2,193)	1,001		1,644
Currency revaluation	(328)	(158)		538
Net write-offs	(459)	(829)		(656)
Balance at end of year	$ 4,041	$ 7,021		$ 7,007

[1] Includes a $0.9 million reversal due to the Company collecting fully on a customer account previously reserved as part of the corporate initiatives.