CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings	Common Stock Held in Treasury	Cumulative Effect, Period of Adoption, Adjustment	Total
Balance at beginning of period at Jan. 31, 2021	$ 264	$ 448,417	$ (2,094)	$ (271)	$ 916,683	$ (27,029)	$ (271)	$ 1,336,241
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity awards exercised/vested, net		(4)				4
Share-based compensation expense		2,548						2,548
Other comprehensive income (loss), net			(6,963)					(6,963)
Net income (loss)					26,321			26,321
Balance at end of period at Apr. 30, 2021	264	450,961	(9,057)		942,733	(27,025)		1,357,876
Balance at beginning of period at Jan. 31, 2022	264	456,329	(14,529)		1,117,005	(39,157)		1,519,912
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity awards exercised/vested, net		(7,204)				7,204
Share-based compensation expense		20,549						20,549
Taxes paid for net share settlements		(8,675)						(8,675)
Other comprehensive income (loss), net			(4,128)					(4,128)
Net income (loss)					30,634			30,634
Balance at end of period at Apr. 30, 2022	$ 264	$ 460,999	$ (18,657)		$ 1,147,639	$ (31,953)		$ 1,558,292