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Debt (Senior Notes and Senior Credit Facilities Narrative) (Details)
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3 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | 0 Months Ended | 9 Months Ended | 0 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | 0 Months Ended | 0 Months Ended | |||||||
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Sep. 30, 2014
USD ($)
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Sep. 30, 2013
USD ($)
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Sep. 30, 2014
USD ($)
|
Sep. 30, 2013
USD ($)
|
Sep. 30, 2014
Senior Unsecured Notes Due 2019 [Member]
USD ($)
|
Sep. 30, 2014
Senior Unsecured Notes Due 2019 [Member]
USD ($)
|
Dec. 31, 2013
Senior Unsecured Notes Due 2019 [Member]
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Sep. 24, 2014
Senior Unsecured Notes Due 2019 [Member]
EUR (€)
|
Nov. 30, 2012
Senior Unsecured Notes Due 2022 [Member]
USD ($)
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Sep. 30, 2014
Senior Unsecured Notes Due 2022 [Member]
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Dec. 31, 2013
Senior Unsecured Notes Due 2022 [Member]
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May 31, 2011
Senior Unsecured Notes Due 2021 [Member]
USD ($)
|
Sep. 30, 2014
Senior Unsecured Notes Due 2021 [Member]
|
Dec. 31, 2013
Senior Unsecured Notes Due 2021 [Member]
|
Sep. 30, 2010
Senior Unsecured Notes Due 2018 [Member]
USD ($)
|
Sep. 30, 2014
Senior Unsecured Notes Due 2018 [Member]
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Dec. 31, 2013
Senior Unsecured Notes Due 2018 [Member]
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Sep. 30, 2014
Term C-3 Loan Facility [Member]
USD ($)
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Sep. 30, 2014
Term C-3 Loan Facility [Member]
USD ($)
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Dec. 31, 2013
Term C-3 Loan Facility [Member]
USD ($)
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Sep. 30, 2014
Term C-3 Loan Facility [Member]
London Interbank Offered Rate (LIBOR) [Member]
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Sep. 30, 2014
Term C-3 Loan Facility [Member]
European Interbank Offered Rate (EURIBOR) [Member]
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Sep. 30, 2014
Revolving Credit Facility [Member]
USD ($)
|
Sep. 30, 2014
Revolving Credit Facility [Member]
London Interbank Offered Rate (LIBOR) [Member]
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Sep. 30, 2013
Term C-2 Loan Facility [Member]
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Sep. 30, 2014
Term C-2 Loan Facility [Member]
USD ($)
|
Sep. 30, 2014
Term C-2 Loan Facility [Member]
EUR (€)
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Dec. 31, 2013
Term C-2 Loan Facility [Member]
USD ($)
|
Sep. 30, 2014
Term C-2 Loan Facility [Member]
European Interbank Offered Rate (EURIBOR) [Member]
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Sep. 30, 2014
Amended Credit Agreement [Member]
USD ($)
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Oct. 15, 2014
Subsequent Event [Member]
Senior Unsecured Notes Due 2018 [Member]
USD ($)
|
Oct. 15, 2014
Subsequent Event [Member]
Senior Unsecured Notes Due 2018 [Member]
USD ($)
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| Debt Instrument [Line Items] | ||||||||||||||||||||||||||||||||
| Senior notes | € 300,000,000 | $ 500,000,000 | $ 400,000,000 | $ 600,000,000 | ||||||||||||||||||||||||||||
| Interest rate, stated percentage | 3.25% | 3.25% | 3.25% | 4.625% | 4.625% | 4.625% | 5.875% | 5.875% | 5.875% | 6.625% | 6.625% | 6.625% | ||||||||||||||||||||
| Debt Instrument, Repurchase Date | Oct. 15, 2014 | |||||||||||||||||||||||||||||||
| Secured Debt | 914,000,000 | 914,000,000 | 0 | 35,000,000 | 28,000,000 | 978,000,000 | ||||||||||||||||||||||||||
| Debt Instrument, Redemption Price, Percentage | 100.00% | |||||||||||||||||||||||||||||||
| Refinancing expense | 4,000,000 | 1,000,000 | 4,000,000 | 1,000,000 | 5,000,000 | |||||||||||||||||||||||||||
| Deferred Finance Costs, Gross | 6,000,000 | 6,000,000 | 4,000,000 | 4,000,000 | ||||||||||||||||||||||||||||
| Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed | 103.313% | |||||||||||||||||||||||||||||||
| Debt Instrument, Repurchase Amount | 620,000,000 | |||||||||||||||||||||||||||||||
| Interest paid for called senior notes | 20,000,000 | |||||||||||||||||||||||||||||||
| Date of maturity | Oct. 15, 2019 | Oct. 15, 2019 | Oct. 15, 2019 | Nov. 15, 2022 | Nov. 15, 2022 | Nov. 15, 2022 | Jun. 15, 2021 | Jun. 15, 2021 | Jun. 15, 2021 | Oct. 15, 2018 | Oct. 15, 2018 | Oct. 15, 2018 | ||||||||||||||||||||
| Maximum borrowing capacity | 900,000,000 | |||||||||||||||||||||||||||||||
| Cross default covenant to other debt | $ 50,000,000 | |||||||||||||||||||||||||||||||
| Credit facility, expiration date | Oct. 15, 2018 | Oct. 15, 2018 | Oct. 15, 2018 | Oct. 15, 2016 | Oct. 15, 2016 | Oct. 15, 2016 | Oct. 15, 2016 | |||||||||||||||||||||||||
| Estimated margin | 2.25% | 2.25% | 1.50% | 2.00% | ||||||||||||||||||||||||||||
| Amortization rate of initial principal amount per annum payable quarterly | 1.00% | |||||||||||||||||||||||||||||||
| Line of credit facility, unused capacity, commitment fee percentage | 0.25% | |||||||||||||||||||||||||||||||