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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common stock
Additional paid-in capital
Accumulated other comprehensive income (loss)
Interest rate swaps
Accumulated other comprehensive income (loss)
Foreign currency contracts
Accumulated other comprehensive income (loss)
Retained earnings
Interest rate swaps
Foreign currency contracts
Total
Balance at Feb. 28, 2015 $ 2,849 $ 179,934     $ (76) $ 721,858      
Balance (in shares) at Feb. 28, 2015 28,488,000                
Increase (Decrease) in Stockholders' Equity                  
Stock option share-based compensation   3,513              
Exercise of stock options, including tax benefits of $0, $0 and $1,581 $ 18 8,304              
Exercise of stock options (in shares) 178,000                
Restricted share-based compensation, including tax benefits of $0, $0 and $1,894 $ 28 21,836              
Restricted share-based compensation (in shares) 285,000                
Issuance of common stock in connection with employee stock purchase plan $ 3 1,924              
Issuance of common stock in connection with employee stock purchase plan (in shares) 28,000                
Cash flow hedge activity, net of tax       $ 741       $ 741  
Common stock repurchased and retired $ (124) (17,434)       (94,559)     $ (6,411)
Common stock repurchased and retired (in shares) (1,244,000)               (117,294)
Net Income           101,228      
Balance at Feb. 29, 2016 $ 2,774 198,077     665 728,527     $ 930,043
Balance (in shares) at Feb. 29, 2016 27,735,000                
Increase (Decrease) in Stockholders' Equity                  
Cumulative effect of accounting change   588              
Stock option share-based compensation   3,194              
Exercise of stock options, including tax benefits of $0, $0 and $1,581 $ 17 7,288              
Exercise of stock options (in shares) 170,000                
Restricted share-based compensation, including tax benefits of $0, $0 and $1,894 $ 2 12,304              
Restricted share-based compensation (in shares) 21,000                
Issuance of common stock in connection with employee stock purchase plan $ 3 2,487              
Issuance of common stock in connection with employee stock purchase plan (in shares) 32,000                
Cash flow hedge activity, net of tax       508       508  
Common stock repurchased and retired $ (93) (5,178)       (70,230)     $ (595)
Common stock repurchased and retired (in shares) (929,000)               (6,286)
Net Income           140,689      
Balance at Feb. 28, 2017 $ 2,703 218,760     1,173 798,130     $ 1,020,766
Balance (in shares) at Feb. 28, 2017 27,029,000                
Increase (Decrease) in Stockholders' Equity                  
Cumulative effect of accounting change           (856)      
Stock option share-based compensation   2,658              
Exercise of stock options, including tax benefits of $0, $0 and $1,581 $ 12 6,546              
Exercise of stock options (in shares) 126,000                
Restricted share-based compensation, including tax benefits of $0, $0 and $1,894 $ 5 4,978              
Restricted share-based compensation (in shares) 48,000                
Issuance of common stock in connection with employee stock purchase plan $ 2 1,525              
Issuance of common stock in connection with employee stock purchase plan (in shares) 16,000                
Vesting of performance awards $ 15                
Vesting of performance awards (in shares) 150,000                
Cash flow hedge activity, net of tax     $ 1,705 $ (2,247)     $ 1,705 $ (2,247)  
Common stock repurchased and retired $ (79) (3,791)       (62,082)     $ (7,258)
Common stock repurchased and retired (in shares) (793,000)               (75,785)
Net Income           44,446      
Balance at Feb. 28, 2018 $ 2,658 $ 230,676     $ 631 $ 780,494     $ 1,014,459
Balance (in shares) at Feb. 28, 2018 26,576,000