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Stock-Based Compensation (Summary of Restricted Stock Awards and SARs Compensation Expense) (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 29, 2017
Apr. 30, 2016
Restricted Stock [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense before the recognized income tax benefit $ 11 $ 489
Income tax benefit 4 187
Stock Appreciation Rights (SARs) [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense before the recognized income tax benefit 24 140
Income tax benefit $ 9 $ 53