Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation Of Income Tax Provision) (Details)

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Income Taxes (Reconciliation Of Income Tax Provision) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Income Taxes [Abstract]      
Federal income taxes at statutory rate $ 47,124 $ 48,493 $ 49,906
State income taxes, net of federal tax benefit (236) 689 670
Excess tax benefits on equity awards (4,614) (9,140)  
Foreign rate differential (267) (337) (461)
U.S. tax reform 30,136    
All other, net (38) (1,194) (2,198)
Income taxes $ 72,105 $ 38,511 $ 47,917