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 (ASC 606) at Jan. 31, 2019				$ (9,580)			$ (9,580)
Balance at beginning of period at Jan. 31, 2019	$ 264	$ 464,112	$ (15,194)		$ 758,881	$ (19,054)		$ 1,189,009
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity awards exercised/vested, net		(17,290)				17,406		116
Share-based compensation expense		17,559						17,559
Taxes paid for net share settlements		(12,239)						(12,239)
Other comprehensive income (loss), net			(2,814)					(2,814)
Repurchases of common stock						(35,216)		(35,216)
Net income (loss)					143,837			143,837
Balance at end of period at Jan. 31, 2020	264	452,142	(18,008)		893,138	(36,864)		1,290,672
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity awards exercised/vested, net		(9,538)				9,835		297
Share-based compensation expense		6,137						6,137
Taxes paid for net share settlements		(324)						(324)
Other comprehensive income (loss), net			15,914					15,914
Net income (loss)					23,545			23,545
Balance at end 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		(5,172)				5,172
Share-based compensation expense		17,424						17,424
Taxes paid for net share settlements		(4,340)						(4,340)
Other comprehensive income (loss), net			(12,435)					(12,435)
Repurchases of common stock						(17,300)		(17,300)
Net income (loss)					200,593			200,593
Balance at end of period at Jan. 31, 2022	$ 264	$ 456,329	$ (14,529)		$ 1,117,005	$ (39,157)		$ 1,519,912