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Long-Term Debt -Debt Balances and Interest Rates (Details) (USD $)
In Millions, unless otherwise specified |
Sep. 30, 2014
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Dec. 31, 2013
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Sep. 30, 2014
Revolving Loan [Member]
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Dec. 31, 2013
Revolving Loan [Member]
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Sep. 30, 2014
Term Loan [Member]
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Dec. 31, 2013
Term Loan [Member]
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Jul. 31, 2013
Term Loan [Member]
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Apr. 29, 2013
Term Loan [Member]
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Sep. 30, 2014
Senior Secured Notes, due 2018 [Member]
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Dec. 31, 2013
Senior Secured Notes, due 2018 [Member]
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Sep. 30, 2014
Senior notes due 2019 [Member]
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Dec. 31, 2013
Senior notes due 2019 [Member]
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Sep. 30, 2014
Senior Notes due 2022 [Member]
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Dec. 31, 2013
Senior Notes due 2022 [Member]
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Aug. 05, 2014
Senior Notes [Member]
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Sep. 30, 2014
Subordinated Debt [Member]
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Dec. 31, 2013
Subordinated Debt [Member]
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Sep. 30, 2014
LIBOR [Member]
Term Loan [Member]
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt Instrument [Line Items] | |||||||||||||||||||||||||||
| Debt, short-term and long-term | $ 0 | $ 0 | $ 1,517.4 | $ 1,528.9 | $ 0 | $ 325.0 | $ 1,045.3 | $ 1,305.0 | $ 600.0 | $ 0 | $ 600.0 | $ 0 | $ 92.5 | ||||||||||||||
| Discount, Unamortized | (3.9) | (4.4) | (1.4) | (3.4) | |||||||||||||||||||||||
| Premium, unamortized | 2.9 | 4.2 | |||||||||||||||||||||||||
| Debt, total short-term and long-term | 3,161.7 | 3,251.2 | |||||||||||||||||||||||||
| Current maturities of long-term debt | (15.4) | (45.4) | |||||||||||||||||||||||||
| Debt | $ 3,146.3 | $ 3,205.8 | |||||||||||||||||||||||||
| Long-term Debt, Weighted Average Interest Rate | 0.00% | [1] | 3.25% | [1] | 0.00% | [1] | 8.50% | [1] | 6.00% | [1] | 0.00% | [1] | 3.25% | [1] | |||||||||||||
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