Annual report pursuant to Section 13 and 15(d)

Income Taxes (Narrative)(Details)

v3.7.0.1
Income Taxes (Narrative)(Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 25, 2016
Dec. 27, 2015
Dec. 28, 2014
Income Tax Contingency [Line Items]      
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense $ 9,200 $ 100  
Excess Tax Benefit From Stock-Based Compensation 3,265 34 $ 609
Deferred Tax Assets, Tax Credit Carryforwards, General Business $ 12,653 $ 8,135