Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v2.4.0.8
Debt (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 29, 2014
Mar. 30, 2013
Dec. 31, 2013
Debt Instrument [Line Items]      
Long-term Debt $ 459.2   $ 459.8
Extinguishment of Debt [Abstract]      
Loss on early extinguishment of debt 0 0.1  
Asset-Based Credit Facility [Abstract]      
Letters of credit outstanding 18.9    
Minimum remaining borrowing capacity covenant 37.5    
Long-term Debt [Abstract]      
Current maturities of long-term debt (5.7)   (6.4)
Long-term debt, net 453.5 562.9 453.4
Notes Due 2027 [Member]
      
Extinguishment of Debt [Abstract]      
Long-term debt repurchased   1.0  
Notes Due 2027 [Member]
      
Debt Instrument [Line Items]      
Long-term Debt 162.7   162.7
Long-term Debt [Abstract]      
Interest rate 7.125%    
Debt Instruments Maturity Date 2027    
Discount on long-term debt 0.5   0.5
Senior Notes Due 2021 [Member]
      
Debt Instrument [Line Items]      
Long-term Debt 150.0   150.0
Long-term Debt [Abstract]      
Interest rate 4.625%    
Debt Instruments Maturity Date 2021    
Discount on long-term debt 0   0
Debentures Due 2023 [Member]
      
Debt Instrument [Line Items]      
Long-term Debt 103.7   103.7
Long-term Debt [Abstract]      
Interest rate 7.375%    
Debt Instruments Maturity Date 2023    
Discount on long-term debt 0.2   0.2
Loan With Fond Du Lac County Economic Development Corporation Due 2021 [Member]
      
Debt Instrument [Line Items]      
Long-term Debt 36.5   36.8
Long-term Debt [Abstract]      
Interest rate 2.00%    
Debt Instruments Maturity Date 2021    
Discount on long-term debt 5.7   5.9
Notes Payable Through 2022 [Member]
      
Debt Instrument [Line Items]      
Long-term Debt 6.3   6.6
Long-term Debt [Abstract]      
Debt Instruments Maturity Date 2022    
Interest rate, maximum 5.892%    
Secured Asset-Based Facility [Member]
      
Asset-Based Credit Facility [Abstract]      
Maximum borrowing capacity 300.0    
Borrowing base 380.5    
Available borrowing capacity 283.2    
Letters of credit outstanding 16.8    
Maximum amount of letters of credit allowed 125.0    
Facility fee 0.25%    
LIBOR borrowing spread 2.25%    
Leverage ratio spread 1.25%    
Basis spread on Federal Funds Rate 0.50%    
Basis spread on one-month LIBOR 1.00%    
Fixed charge coverage ratio covenant 1.0    
Minimum remaining borrowing capacity covenant $ 37.5    
Minimum [Member] | Secured Asset-Based Facility [Member]
      
Asset-Based Credit Facility [Abstract]      
Facility fee 0.25%    
LIBOR borrowing spread 2.25%    
Leverage ratio spread 1.25%    
Maximum [Member] | Secured Asset-Based Facility [Member]
      
Asset-Based Credit Facility [Abstract]      
Facility fee 0.625%    
LIBOR borrowing spread 3.00%    
Leverage ratio spread 2.00%