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Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Shares	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning Balance at Jan. 31, 2022	$ 1,745,740	$ 10		$ 1,770,560	$ (24,830)
Beginning Balances (in shares) at Jan. 31, 2022		96,431,044
Comprehensive income	89,000			128,237	(39,237)
Share-based compensation	21,971		$ 21,971
Share-based awards	376		376
Share-based awards (in shares)		725,882
Share repurchases	(118,696)	$ (1)	(14,497)	(104,198)
Share repurchases (in shares)		(4,982,439)
Ending Balance at Oct. 31, 2022	$ 1,738,391	$ 9	7,850	1,794,599	(64,067)
Ending Balances (in shares) at Oct. 31, 2022	92,174,487	92,174,487
Beginning Balance at Jul. 31, 2022	$ 1,707,192	$ 9		1,757,368	(50,185)
Beginning Balances (in shares) at Jul. 31, 2022		92,173,342
Comprehensive income	23,349			37,231	(13,882)
Share-based compensation	7,862		7,862
Share-based awards (in shares)		1,667
Share repurchases	(12)		(12)
Share repurchases (in shares)		(522)
Ending Balance at Oct. 31, 2022	$ 1,738,391	$ 9	7,850	1,794,599	(64,067)
Ending Balances (in shares) at Oct. 31, 2022	92,174,487	92,174,487
Beginning Balance at Jan. 31, 2023	$ 1,792,683	$ 9	15,248	1,826,061	(48,635)
Beginning Balances (in shares) at Jan. 31, 2023	92,180,709	92,180,709
Comprehensive income	$ 238,389			239,923	(1,534)
Share-based compensation	23,245		23,245
Share-based awards	594		594
Share-based awards (in shares)		912,284
Share repurchases	(8,353)		(8,353)
Share repurchases (in shares)		(308,649)
Ending Balance at Oct. 31, 2023	$ 2,046,558	$ 9	30,734	2,065,984	(50,169)
Ending Balances (in shares) at Oct. 31, 2023	92,784,344	92,784,344
Beginning Balance at Jul. 31, 2023	$ 1,967,391	$ 9	23,214	1,982,970	(38,802)
Beginning Balances (in shares) at Jul. 31, 2023		92,773,249
Comprehensive income	71,647			83,014	(11,367)
Share-based compensation	7,689		7,689
Share-based awards (in shares)		16,165
Share repurchases	(169)		(169)
Share repurchases (in shares)		(5,070)
Ending Balance at Oct. 31, 2023	$ 2,046,558	$ 9	$ 30,734	$ 2,065,984	$ (50,169)
Ending Balances (in shares) at Oct. 31, 2023	92,784,344	92,784,344

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