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Stockholders' Equity (Narrative) (Details)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 02, 2015
shares
Apr. 01, 2016
USD ($)
StockIncentivePlan
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options canceled   1,649,094
Options expired   242,538
2007 Stock Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of stock incentive plans | StockIncentivePlan   1
Number of shares authorized   26,900,000
Number of shares available for grant   8,542,662
Nonvested awards, unrecognized compensation expense | $   $ 3.1
Nonvested awards, expense expected to be recognized, weighted average period   2 years 1 month 28 days
2007 Stock Plan | Performance stock unit (PSU)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Awards granted   1,831,158
Awards cancelled due to performance criteria not being achieved 803,210  
Awards canceled   65,062
2007 Stock Plan | Restricted stock unit (RSU)    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Awards granted   2,293,647
Awards canceled   104,531