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Consolidated Statements of Shareholders' Equity - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Total
Balance at Jan. 31, 2019 $ 276,753 $ 454,722 $ (25,201) $ (172,767)  
Stock options and share units exercised 1,788 (362)      
Issuance of common shares, net of issuance costs (Note 15) 236,568        
Acquisitions (Note 3) 9,045        
Stock-based compensation expense (Note 17)   4,909      
Other comprehensive income (loss), net of income taxes     (743)    
Net income       36,997 $ 36,997
Balance at Jan. 31, 2020 524,154 459,269 (25,944) (135,770) 821,709
Stock options and share units exercised 7,671 (1,480)      
Stock-based compensation expense (Note 17)   6,313      
Other comprehensive income (loss), net of income taxes     24,755    
Net income       52,100 52,100
Balance at Jan. 31, 2021 531,825 464,102 (1,189) (83,670) 911,068
Stock options and share units exercised 4,472 (1,816)      
Stock-based compensation expense (Note 17)   11,017      
Other comprehensive income (loss), net of income taxes     (11,204)    
Net income       86,282 86,282
Balance at Jan. 31, 2022 $ 536,297 $ 473,303 $ (12,393) $ 2,612 $ 999,819