CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Retained Earnings	Treasury Stock, Common [Member]	Total
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)
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 gain (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 gain (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
Balance at beginning of period at Jan. 31, 2023	264	468,712	(11,653)	983,944		1,385,448
Balance at beginning of period, treasury at Jan. 31, 2023					(55,819)	(55,819)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity awards exercised/vested, net		(16,108)			16,108
Share-based compensation expense		11,728				11,728
Taxes paid for net share settlements		(10,828)				(10,828)
Other comprehensive gain (loss), net			(4,342)			(4,342)
Repurchases of common stock					(26,100)	(26,100)
Net Income (Loss)				147,314		147,314
Balance at end of period, treasury at Oct. 31, 2023					(65,811)	(65,811)
Balance at end of period at Oct. 31, 2023	264	453,504	(15,995)	1,131,258		1,503,220
Balance at beginning of period at Jul. 31, 2023	264	448,762	(4,603)	1,003,618		1,382,115
Balance at beginning of period, treasury at Jul. 31, 2023					(65,926)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Equity awards exercised/vested, net		(115)			115
Share-based compensation expense		4,890				4,890
Taxes paid for net share settlements		(33)				(33)
Other comprehensive gain (loss), net			(11,392)			(11,392)
Net Income (Loss)				127,640		127,640
Balance at end of period, treasury at Oct. 31, 2023					$ (65,811)	(65,811)
Balance at end of period at Oct. 31, 2023	$ 264	$ 453,504	$ (15,995)	$ 1,131,258		$ 1,503,220