Debt (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||||||||||||||
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Dec. 31, 2013
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Sep. 28, 2013
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Jun. 29, 2013
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Mar. 30, 2013
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Dec. 31, 2012
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Sep. 29, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2013
|
Dec. 31, 2012
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Dec. 31, 2011
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Jun. 29, 2013
Senior Notes Due 2016 [Member]
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Dec. 31, 2013
Senior Notes Due 2016 [Member]
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Dec. 31, 2012
Senior Notes Due 2016 [Member]
|
Dec. 31, 2013
Debentures Due 2023 [Member]
|
Dec. 31, 2012
Debentures Due 2023 [Member]
|
Dec. 31, 2013
Notes Due 2027 [Member]
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Dec. 31, 2012
Notes Due 2027 [Member]
|
Dec. 31, 2013
Senior Notes Due 2013 [Member]
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Dec. 31, 2012
Senior Notes Due 2013 [Member]
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Mar. 31, 2011
Secured Asset-Based Facility [Member]
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Dec. 31, 2013
Secured Asset-Based Facility [Member]
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Apr. 02, 2011
Terminated Secured Asset-Based Facility [Member]
|
Dec. 31, 2013
Senior Notes Due 2016 [Member]
|
Dec. 31, 2012
Senior Notes Due 2016 [Member]
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Dec. 31, 2013
Notes Due 2027 [Member]
|
Dec. 31, 2012
Notes Due 2027 [Member]
|
Dec. 31, 2013
Senior Notes Due 2021 [Member]
|
Dec. 31, 2012
Senior Notes Due 2021 [Member]
|
Dec. 31, 2013
Debentures Due 2023 [Member]
|
Dec. 31, 2012
Debentures Due 2023 [Member]
|
Dec. 31, 2012
Loan With Fond Du Lac County Economic Development Corporation Due 2021 [Member]
|
Dec. 31, 2013
Loan With Fond Du Lac County Economic Development Corporation Due 2021 [Member]
|
Dec. 31, 2012
Loan With Fond Du Lac County Economic Development Corporation Due 2021 [Member]
|
Dec. 31, 2013
Notes Payable Through 2022 [Member]
|
Dec. 31, 2012
Notes Payable Through 2022 [Member]
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Dec. 31, 2013
Minimum [Member]
Secured Asset-Based Facility [Member]
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Dec. 31, 2013
Maximum [Member]
Secured Asset-Based Facility [Member]
|
Dec. 31, 2013
Maximum [Member]
Loan With Fond Du Lac County Economic Development Corporation Due 2021 [Member]
|
|
Short-term debt [Abstract] | |||||||||||||||||||||||||||||||||||||||
Current maturities of long-term debt | $ (6.4) | $ (6.5) | $ (6.4) | $ (6.5) | |||||||||||||||||||||||||||||||||||
Other short-term debt | 0 | 1.7 | 0 | 1.7 | |||||||||||||||||||||||||||||||||||
Total short-term debt | 6.4 | 8.2 | 6.4 | 8.2 | |||||||||||||||||||||||||||||||||||
Asset-Based Credit Facility [Abstract] | |||||||||||||||||||||||||||||||||||||||
Term of credit facility | 5 years | ||||||||||||||||||||||||||||||||||||||
Maximum borrowing capacity | 300.0 | 400.0 | |||||||||||||||||||||||||||||||||||||
Borrowing base | 294.7 | ||||||||||||||||||||||||||||||||||||||
Available borrowing capacity | 277.9 | ||||||||||||||||||||||||||||||||||||||
Letters of credit outstanding | 16.8 | ||||||||||||||||||||||||||||||||||||||
Maximum amount of letters of credit allowed | 125.0 | ||||||||||||||||||||||||||||||||||||||
Facility fee | 0.25% | 0.25% | 0.625% | ||||||||||||||||||||||||||||||||||||
LIBOR borrowing spread | 2.25% | 2.25% | 3.00% | ||||||||||||||||||||||||||||||||||||
Leverage ratio spread | 1.25% | 1.25% | 2.00% | ||||||||||||||||||||||||||||||||||||
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 | 37.5 | 37.5 | ||||||||||||||||||||||||||||||||||||
Write-off of deferred debt issuance costs | 1.1 | ||||||||||||||||||||||||||||||||||||||
Long-term Debt [Abstract] | |||||||||||||||||||||||||||||||||||||||
Long-term debt, gross | 459.8 | 570.1 | 459.8 | 570.1 | 0 | 245.7 | 162.7 | 166.0 | 150.0 | 0 | 103.7 | 108.4 | 41.1 | 36.8 | 41.1 | 6.6 | 8.9 | ||||||||||||||||||||||
Current maturities of long-term debt | (6.4) | (6.5) | (6.4) | (6.5) | |||||||||||||||||||||||||||||||||||
Long-term debt, net | 453.4 | 563.6 | 453.4 | 563.6 | |||||||||||||||||||||||||||||||||||
Interest rate | 11.25% | 7.125% | 4.625% | 7.375% | 2.00% | ||||||||||||||||||||||||||||||||||
Interest rate, maximum | 5.892% | ||||||||||||||||||||||||||||||||||||||
Due date | 2016 | 2027 | 2021 | 2023 | 2021 | 2022 | |||||||||||||||||||||||||||||||||
Discount on long-term debt | 0 | 4.1 | 0.5 | 0.6 | 0.2 | 0.3 | 6.6 | 5.9 | 6.6 | ||||||||||||||||||||||||||||||
Maturities of Long-term Debt [Abstract] | |||||||||||||||||||||||||||||||||||||||
2014 | 6.4 | 6.4 | |||||||||||||||||||||||||||||||||||||
2015 | 5.5 | 5.5 | |||||||||||||||||||||||||||||||||||||
2016 | 5.5 | 5.5 | |||||||||||||||||||||||||||||||||||||
2017 | 5.6 | 5.6 | |||||||||||||||||||||||||||||||||||||
2018 | 5.7 | 5.7 | |||||||||||||||||||||||||||||||||||||
Thereafter | 431.1 | 431.1 | |||||||||||||||||||||||||||||||||||||
Total long-term debt including current maturities | 459.8 | 570.1 | 459.8 | 570.1 | 0 | 245.7 | 162.7 | 166.0 | 150.0 | 0 | 103.7 | 108.4 | 41.1 | 36.8 | 41.1 | 6.6 | 8.9 | ||||||||||||||||||||||
Deferred Interest on long term debt | 2.7 | ||||||||||||||||||||||||||||||||||||||
Annual forgiveness percent | 43.00% | 34.00% | 43.00% | ||||||||||||||||||||||||||||||||||||
Total loan forgiveness | 2.1 | 1.7 | |||||||||||||||||||||||||||||||||||||
Extinguishment of Debt [Abstract] | |||||||||||||||||||||||||||||||||||||||
Long-term debt repurchased | 258.0 | 124.2 | 249.8 | 249.8 | 44.0 | 4.8 | 6.0 | 3.4 | 1.2 | 0 | 73.0 | ||||||||||||||||||||||||||||
Loss on early extinguishment of debt | $ 0.1 | $ 0.3 | $ 32.3 | $ 0.1 | $ 4.4 | $ 7.5 | $ 4.4 | $ 0 | $ 32.8 | $ 16.3 | $ 19.8 |