XML 70 R59.htm IDEA: XBRL DOCUMENT v3.5.0.2
Stockholders' Equity and Stock-Based Compensation - Performance Stock Units Valuation Assumptions (Details) - Performance-Based Restricted Stock Units (PSUs) [Member] - $ / shares
6 Months Ended
Jun. 25, 2016
Jun. 27, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant Date Fair Value Per Share (in dollars per share) $ 8.52 $ 18.35
Dividends 0.00% 0.00%
Risk free interest rate 0.92%  
Range of risk-free interest rates, minimum   0.25%
Range of risk-free interest rates, maximum   1.10%
Range of expected volatilities for peer group, minimum 22.00% 23.00%
Range of expected volatilities for peer group, maximum 93.00% 65.00%