XML 65 R55.htm IDEA: XBRL DOCUMENT v3.5.0.2
Stockholders' Equity and Stock-Based Compensation - Textual (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 24, 2016
Sep. 26, 2015
Sep. 24, 2016
Sep. 26, 2015
Sep. 23, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of Shares Outstanding (Options), Granted (in shares)     0 0  
Closing stock price (in dollars per share)         $ 22.29
Intrinsic value of options exercised $ 0.5 $ 0.1 $ 1.9 $ 1.4  
Performance-Based Restricted Stock Units (PSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percent of granted shares that will vest if target stock price performance is achieved     66.70%    
Maximum percent of granted shares that will vest if maximum stock price performance is achieved     100.00%    
Performance-Based Restricted Stock Units (PSUs) [Member] | Tranche One [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Period of vesting     1 year    
Performance-Based Restricted Stock Units (PSUs) [Member] | Tranche Two [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Period of vesting     2 years    
Performance-Based Restricted Stock Units (PSUs) [Member] | Tranche Three [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Period of vesting     3 years