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Revenue Recognition (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Apr. 30, 2018
Apr. 30, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]    
Net sales $ 611,743 $ 529,042 [1],[2]
Cost of goods sold 377,216 327,326 [1]
Selling, general and administrative expenses 202,071 197,411 [1]
Income tax expense 3,120 (6,103) [1]
Net income $ 9,885 $ (10,391)
Earnings per share    
Basic (in dollars per share) $ 0.20 $ (0.21) [1]
Diluted (in dollars per share) $ 0.20 $ (0.21) [1]
Without Adoption of ASC 606    
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]    
Net sales $ 619,341  
Cost of goods sold 376,163  
Selling, general and administrative expenses 208,723  
Income tax expense 3,389  
Net income $ 11,615  
Earnings per share    
Basic (in dollars per share) $ 0.24  
Diluted (in dollars per share) $ 0.23  
Impact of Adoption of ASC 606    
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]    
Net sales $ (7,598)  
Cost of goods sold 1,053  
Selling, general and administrative expenses (6,652)  
Income tax expense (269)  
Net income $ (1,730)  
Earnings per share    
Basic (in dollars per share) $ (0.04)  
Diluted (in dollars per share) $ (0.03)  
[1] (As Adjusted)
[2] Certain reclassifications have been made between the wholesale operations segment and the elimination column as a result of sales eliminations within the wholesale operations segment being misclassified as inter-segment eliminations.