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Stock-Based Compensation (Narrative) (Details) (USD $)
3 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended 0 Months Ended 3 Months Ended
Mar. 30, 2014
Mar. 31, 2013
Mar. 30, 2014
Stock Options [Member]
Mar. 31, 2013
Stock Options [Member]
Mar. 30, 2014
Restricted Stock Units (RSUs) [Member]
Mar. 31, 2013
Restricted Stock Units (RSUs) [Member]
Dec. 29, 2013
Restricted Stock Units (RSUs) [Member]
Mar. 30, 2014
Time-Vested Cash Unit Awards [Member]
Mar. 31, 2013
Time-Vested Cash Unit Awards [Member]
Feb. 27, 2013
Monte Carlo Simulation RSU February 27, 2013 [Member]
May 28, 2013
Monte Carlo Simulation RSU May 28, 2013 [Member]
Mar. 30, 2014
Monte Carlo Simulation Cash-Based Award May 2, 2013 [Member]
Mar. 30, 2014
Long Term Incentive Plan, 2014 Plan [Member]
Restricted Stock Units (RSUs) [Member]
Mar. 30, 2014
Long Term Incentive Plan, 2014 Plan [Member]
Restricted Stock Units (RSUs) [Member]
May 28, 2013
LTIP 2013 Plan [Member]
Feb. 27, 2013
LTIP 2013 Plan [Member]
Mar. 30, 2014
LTIP 2013 Plan [Member]
Mar. 31, 2013
LTIP 2013 Plan [Member]
May 02, 2013
May 2, 2013 Cash-Based Award [Member]
Mar. 30, 2014
May 2, 2013 Cash-Based Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                        
Share-based compensation expense $ 1,500,000 $ 2,000,000                       $ 32,000     $ 29,000 $ 4,000    
Share-based compensation expense net of tax 1,400,000 2,000,000                                    
Tax benefit from option exercise 100,000 100,000                                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value         $ 14.87               $ 14.90   $ 11.56 $ 11.91        
Unrecognized compensation cost     1,800,000   5,000,000                       100,000      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options                         1,100,000 1,100,000            
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized         891,094.000   852,508           76,910 76,910            
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Maximum Units Outstanding Achievable                                 26,400      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 48.16% 50.85%               47.01% 45.23%                  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 1.461% 0.792%               0.35% 0.41%                  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 0.00% 0.00%               0.00% 0.00%                  
Cash-based Compensation Arrangement by Cash-based Payment Award, Established Target Cash Amount                                     400,000  
Cash-based Compensation Arrangement by Cash-based Payment Award, Fair Value                                       0.0045
Allocated Cash-based Compensation Expense                                       1,000
Cash-based Compensation Arrangement by Cash-based Payment Award, Fair Value Assumptions, Expected Volatility Rate                       45.32%                
Cash-based Compensation Arrangement by Cash-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate                       0.37%                
Cash-based Compensation Arrangement by Cash-based Payment Award, Fair Value Assumptions, Expected Dividend Rate                       0.00%                
Total intrinsic value of options exercised     18,000 100,000                                
Weighted-average period over which unrecognized compensation cost will be recognized (years)     2 years 0 months 19 days   2 years 2 months 24 days                              
Total fair value of restricted stock awards         2,800,000 1,300,000                            
Deferred compensation arrangement liability, current and noncurrent               300,000 400,000                      
Deferred compensation arrangement with individual, share-based compensation expense               $ 300,000 $ 300,000