Annual report pursuant to Section 13 and 15(d)

Debt (Details)

v3.3.1.900
Debt (Details)
$ in Millions
 3 Months Ended 8 Months Ended 12 Months Ended 16 Months Ended
Dec. 31, 2014
USD ($)
Sep. 27, 2014
USD ($)
Jun. 28, 2014
USD ($)
Mar. 29, 2014
USD ($)
Aug. 31, 2014
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2015
USD ($)
Long-term Debt [Abstract]                  
Total long-term debt including current maturities $ 451.8         $ 448.5 $ 451.8   $ 448.5
Current maturities of long-term debt (5.5)         (6.0) (5.5)   (6.0)
Long-term debt, net 446.3         442.5 446.3   442.5
Maturities of Long-term Debt [Abstract]                  
2016           6.0     6.0
2017           5.4     5.4
2018           5.6     5.6
2019           5.8     5.8
2020           5.8     5.8
Thereafter           419.9     419.9
Total long-term debt including current maturities 451.8         448.5 451.8   448.5
Extinguishment of Debt [Abstract]                  
Long-term debt repurchased           0.0      
Loss on early extinguishment of debt 0.1 $ 0.0 $ 0.0 $ 0.0   0.0 0.1 $ 32.8  
Asset-Based Credit Facility [Abstract]                  
Letters of credit outstanding           6.1     6.1
Debentures due 2023 [Member]                  
Extinguishment of Debt [Abstract]                  
Long-term debt repurchased             0.9    
Loss on early extinguishment of debt             (0.1)    
Notes due 2027 [Member]                  
Long-term Debt [Abstract]                  
Total long-term debt including current maturities 162.1         $ 162.2 162.1   $ 162.2
Interest rate           7.125%     7.125%
Due date           2027      
Discount on long-term debt 0.5         $ 0.4 0.5   $ 0.4
Debt Issuance Cost           0.6 0.6    
Maturities of Long-term Debt [Abstract]                  
Total long-term debt including current maturities 162.1         162.2 162.1   162.2
Senior notes due 2021 [Member]                  
Long-term Debt [Abstract]                  
Total long-term debt including current maturities 147.7         $ 149.6 [1] 147.7   $ 149.6 [1]
Interest rate           4.625%     4.625%
Due date           2021      
Debt Issuance Cost           $ 2.3 2.8    
Maturities of Long-term Debt [Abstract]                  
Total long-term debt including current maturities 147.7         149.6 [1] 147.7   $ 149.6 [1]
Debentures due 2023 [Member]                  
Long-term Debt [Abstract]                  
Total long-term debt including current maturities 103.8         $ 104.7 [1] 103.8   $ 104.7 [1]
Interest rate           7.375%     7.375%
Due date           2023      
Discount on long-term debt 0.2         $ 0.2 0.2   $ 0.2
Debt Issuance Cost           0.3 0.3    
Maturities of Long-term Debt [Abstract]                  
Total long-term debt including current maturities 103.8         104.7 [1] 103.8   104.7 [1]
Loan with Fond Du Lac County Economic Development Corporation due 2021 [Member]                  
Long-term Debt [Abstract]                  
Total long-term debt including current maturities 32.3         $ 28.1 32.3   $ 28.1
Interest rate           2.00%     2.00%
Due date           2021      
Discount on long-term debt 5.2         $ 4.5 5.2   $ 4.5
Debt Issuance Cost           0.1 0.2    
Maturities of Long-term Debt [Abstract]                  
Total long-term debt including current maturities 32.3         28.1 32.3   28.1
Asset-Based Credit Facility [Abstract]                  
Total loan forgiveness           $ 2.0 $ 2.1    
Annual forgiveness percent           41.00% 43.00%    
Notes payable through 2022 [Member]                  
Long-term Debt [Abstract]                  
Total long-term debt including current maturities 5.9         $ 3.9 $ 5.9   3.9
Interest rate, maximum           5.892%      
Due date           2022      
Maturities of Long-term Debt [Abstract]                  
Total long-term debt including current maturities $ 5.9         $ 3.9 $ 5.9   3.9
Facility [Member]                  
Asset-Based Credit Facility [Abstract]                  
Maximum borrowing capacity           300.0     300.0
Available borrowing capacity           296.2     296.2
Letters of credit outstanding           3.8     3.8
Maximum amount of letters of credit allowed           100.0     $ 100.0
Borrowings under the Facility           $ 0.0      
Facility fee         0.25%       0.20%
LIBOR borrowing spread           1.30%      
Base Rate Spread           0.30%      
Minimum Interest Coverage Ratio Covenant           3.5     3.5
Maximum Leverage Ratio Covenant           3.0     3.0
Maximum Leverage Ratio Covenant following twelve months for acquisitions over $100 million           3.25     3.25
Leverage Ratio Investment Grade Conditions           2.25     2.25
Minimum [Member] | Facility [Member]                  
Asset-Based Credit Facility [Abstract]                  
Facility fee when the Company achieves Investment Grade Release Conditions           0.125%      
LIBOR borrowing spread           1.30%      
Base Rate Spread           0.30%      
LIBOR Borrowing Spread Investment Grade Release Conditions           1.00%      
Base Rate Spread Investment Grade Release Conditions           0.00%      
Maximum [Member] | Loan with Fond Du Lac County Economic Development Corporation due 2021 [Member]                  
Asset-Based Credit Facility [Abstract]                  
Annual forgiveness percent           43.00%      
Maximum [Member] | Facility [Member]                  
Asset-Based Credit Facility [Abstract]                  
Facility fee when the Company achieves Investment Grade Release Conditions           0.35%      
LIBOR borrowing spread           1.90%      
Base Rate Spread           0.90%      
LIBOR Borrowing Spread Investment Grade Release Conditions           1.90%      
Base Rate Spread Investment Grade Release Conditions           0.90%      
[1] Included in Senior notes, 4.625% due 2021 and Debentures, 7.375% due 2023 at December 31, 2015 and December 31, 2014, are the estimated aggregate fair values related to the fixed-to-floating interest rate swaps as discussed in Note 14 – Financial Instruments.