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Share-Based Compensation (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
4 Months Ended
Apr. 21, 2018
Apr. 22, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation $ 7,642 $ 12,374
Share-based Compensation, Tax Benefit from Compensation Expense 1,800  
Share-based Compensation, Cost Not yet Recognized $ 53,900  
Share-based Compensation, Cost Not yet Recognized, Period for Recognition 1 year 10 months 21 days  
Performance Shares [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grants in Period 69  
Weighted Average Grant Date Fair Value $ 116.82  
Market Based Shares [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grants in Period 36  
Weighted Average Grant Date Fair Value $ 130.88  
Restricted Stock Units (RSUs) [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grants in Period 147  
Weighted Average Grant Date Fair Value $ 117.49