Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Details)

v2.4.0.8
Share-Based Compensation (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Authorized number of shares (in shares) 13,100,000  
Number of shares available for grant (in shares) 1,600,000  
Percentage of premium paid out in deferred company common stock 20.00%  
Stock Appreciation Rights (SARs) [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated share-based compensation expense $ 0.3 $ 1.3
Non-Vested Stock Awards [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 300,000 200,000
Allocated share-based compensation expense 2.2 2.5
Unrecognized compensation cost 14.5  
Unrecognized compensation cost, period for recognition 1 year 7 months 12 days  
Performance Shares [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated share-based compensation expense 1.6 0.8
Unrecognized compensation cost $ 6.4  
Unrecognized compensation cost, period for recognition 1 year 3 months 18 days  
Weighted average expected life, minimum (in years) 2 years 10 months 24 days 2 years 10 months 24 days
Performance Shares [Member] | Certain senior executives [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 100,000 100,000
Weighted average price at grant date (in dollars per share) $ 41.38 $ 35.93
Risk-free interest rate 0.60% 0.40%
Dividend yield (A) 0.00% [1] 0.10%
Volatility factor 43.70% 53.00%
Performance Shares [Member] | Non-executive officers and certain senior managers [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 24,600 26,000
Weighted average price at grant date (in dollars per share) $ 40.44 $ 34.65
[1] (A) In 2014, the Company used an assumption of dividend reinvestment to value performance share grants.