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	Treasury Stock, Common [Member]	Cumulative Effect, Period of Adoption, Adjustment	Total
Balance at beginning of period at Jan. 31, 2021	$ 264	$ 448,417	$ (2,094)	$ (271)	$ 916,683		$ (271)	$ 1,336,241
Balance at beginning of period, treasury at Jan. 31, 2021						$ (27,029)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity awards exercised/vested, net		(5,089)				5,089
Share-based compensation expense		11,773						11,773
Taxes paid for net share settlements		(4,333)						(4,333)
Other comprehensive income (loss), net			(9,334)					(9,334)
Net income (loss)					152,163			152,163
Balance at end of period, treasury at Oct. 31, 2021						(21,940)		(21,940)
Balance at end of period at Oct. 31, 2021	264	450,768	(11,428)		1,068,575			1,486,239
Balance at beginning of period at Jul. 31, 2021	264	447,476	(7,026)		961,901			1,380,612
Balance at beginning of period, treasury at Jul. 31, 2021						(22,003)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity awards exercised/vested, net		(63)				63
Share-based compensation expense		3,354						3,354
Taxes paid for net share settlements		1						1
Other comprehensive income (loss), net			(4,402)					(4,402)
Net income (loss)					106,674			106,674
Balance at end of period, treasury at Oct. 31, 2021						(21,940)		(21,940)
Balance at end of period at Oct. 31, 2021	264	450,768	(11,428)		1,068,575			1,486,239
Balance at beginning of period at Jan. 31, 2022	264	456,329	(14,529)		1,117,005			1,519,912
Balance at beginning of period, treasury at Jan. 31, 2022						(39,157)		(39,157)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity awards exercised/vested, net		(10,226)				10,226
Share-based compensation expense		28,917						28,917
Taxes paid for net share settlements		(9,790)						(9,790)
Other comprehensive income (loss), net			(28,215)					(28,215)
Repurchases of common stock						(16,622)		(16,622)
Net income (loss)					128,056			128,056
Balance at end of period, treasury at Oct. 31, 2022						(45,553)		(45,553)
Balance at end of period at Oct. 31, 2022	264	465,230	(42,744)		1,245,061			1,622,258
Balance at beginning of period at Jul. 31, 2022	264	461,621	(16,226)		1,183,958			1,584,001
Balance at beginning of period, treasury at Jul. 31, 2022						(45,616)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity awards exercised/vested, net		(63)				63
Share-based compensation expense		3,672						3,672
Other comprehensive income (loss), net			(26,518)					(26,518)
Net income (loss)					61,103			61,103
Balance at end of period, treasury at Oct. 31, 2022						$ (45,553)		(45,553)
Balance at end of period at Oct. 31, 2022	$ 264	$ 465,230	$ (42,744)		$ 1,245,061			$ 1,622,258