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 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Authorized number of shares (in shares) 13,100,000   13,100,000  
Number of shares available for grant (in shares) 2,000,000   2,000,000  
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]        
Share-based Compensation Arrangement by Share-based Payment Award, SARs, Grants in Period, Weighted Average Grant Date Fair Value       $ 12.70
Risk-free interest rate       1.10%
Dividend yield       0.20%
Volatility factor (A)       58.30% [1]
Share-based compensation expense $ 0.6 $ 1.7 $ 1.9 $ 3.5
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 0 0 0 400,000.0
Stock Appreciation Rights (SARs) [Member] | Minimum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average expected life, minimum (in years)       5 years 2 months 12 days
Stock Appreciation Rights (SARs) [Member] | Maximum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average expected life, minimum (in years)       6 years 8 months 12 days
Non-Vested Stock Awards [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 2.1 1.3 4.6 2.7
Unrecognized compensation cost 9.1   9.1  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 0 0 200,000.0 200,000.0
Unrecognized compensation cost, period for recognition     1 year 3 months 18 days  
Performance Awards [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 1.5 0.7 2.3 1.1
Performance Awards [Member] | Minimum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average expected life, minimum (in years)     2 years 10 months 24 days 2 years 10 months 24 days
Performance Awards [Member] | 2013 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost 4.2   4.2  
Unrecognized compensation cost, period for recognition     1 year 1 month 6 days  
Performance Awards [Member] | 2012 [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost $ 0.2   $ 0.2  
Unrecognized compensation cost, period for recognition     1 year 6 months 0 days  
Unvested performance based awards 22,000   22,000  
Performance Awards [Member] | Certain senior executives [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average price at grant date (in dollars per share) $ 35.93 $ 26.81 $ 35.93 $ 26.81
Risk-free interest rate     0.40% 0.40%
Dividend yield     0.10% 0.20%
Volatility factor (A)     53.00% 67.90%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     100,000.0 100,000.0
Performance Awards [Member] | Non-executive officers and certain senior managers [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average price at grant date (in dollars per share) $ 34.65   $ 34.65  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     26,000.0  
[1] The Company uses a combination of implied and historical volatility in calculating the fair value of each grant.