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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, 2021	$ 1,477,358	$ 10	$ 19,360	$ 1,475,108	$ (17,120)
Beginning Balances (in shares) at Jan. 31, 2021		97,815,985
Comprehensive income	58,926			53,547	5,379
Share-based compensation	4,570		4,570
Share-based awards	1,073		1,073
Share-based awards (in shares)		637,836
Share repurchases	(7,418)		(7,418)
Share repurchases (in shares)		(218,694)
Ending Balance at Apr. 30, 2021	$ 1,534,509	$ 10	17,585	1,528,655	(11,741)
Ending Balances (in shares) at Apr. 30, 2021	98,235,127	98,235,127
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	96,431,044
Comprehensive income	$ 11,767			31,533	(19,766)
Share-based compensation	7,102		7,102
Share-based awards (in shares)		669,683
Share repurchases	(68,688)	$ (1)	$ (7,102)	(61,585)
Share repurchases (in shares)		(2,666,106)
Ending Balance at Apr. 30, 2022	$ 1,695,921	$ 9		$ 1,740,508	$ (44,596)
Ending Balances (in shares) at Apr. 30, 2022	94,434,621	94,434,621

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Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.

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