Fair Value Measurements and Other Financial Instruments - Carrying Amounts and Estimated Fair Values of Debt (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Credit Facility, Carrying Amount	$ 23.0us-gaap_LineOfCredit	$ 0us-gaap_LineOfCredit
Other foreign loans, Carrying Amount	73.9see_OtherForeignLoansCarryingValue	85.0see_OtherForeignLoansCarryingValue
Other foreign loans, Fair Value	73.8	84.9
Other domestic loans, Carrying Amount	59.2see_OtherDomesticLoansCarryingValue	0.4see_OtherDomesticLoansCarryingValue
Other domestic loans, Fair Value	59.2	0.4
Total debt, Carrying Amount	4,414.0us-gaap_DebtAndCapitalLeaseObligations	4,399.5us-gaap_DebtAndCapitalLeaseObligations
Total debt, Fair Value	4,569.4	4,599.1
12% Senior Notes Due February 2014 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Senior Notes, Carrying Amount		150.3
Senior Notes, Fair Value		150.6
Term Loan A Facility Due July 2017 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Credit Facility, Carrying Amount	249.7
Credit Facility, Fair Value	249.7
Term Loan A Facility Due July 2019 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Credit Facility, Carrying Amount	1,129.4	684.5
Credit Facility, Fair Value	1,129.4	684.5
Term Loan B Facility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Credit Facility, Carrying Amount		681.6
Credit Facility, Fair Value		681.6
8.125% Senior Notes Due September 2019 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Senior Notes, Carrying Amount		750.0
Senior Notes, Fair Value		841.4
6.50% Senior Notes Due December 2020 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Senior Notes, Carrying Amount	428.1	424.1
Senior Notes, Fair Value	469.7	456.7
8.375% Senior Notes Due September 2021 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Senior Notes, Carrying Amount	750.0	750.0
Senior Notes, Fair Value	843.3	853.1
4.875% Senior Notes due December 2022 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Senior Notes, Carrying Amount	425.0
Senior Notes, Fair Value	423.3
5.25% Senior Notes Due April 2023 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Senior Notes, Carrying Amount	425.0	425.0
Senior Notes, Fair Value	429.6	414.7
5.125% Senior Notes due December 2024 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Senior Notes, Carrying Amount	425.0
Senior Notes, Fair Value	428.5
6.875% Senior Notes Due July 2033 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Senior Notes, Carrying Amount	448.7	448.6
Senior Notes, Fair Value	$ 462.9	$ 431.2

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Other domestic loans carrying value.

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Other domestic loans fair value disclosure.

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Other foreign loans carrying value.

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Other foreign loans fair value disclosure.

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- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

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-Publisher FASB

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Fair value of the amount outstanding under the credit facility.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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- Definition

Fair value portion of notes payable.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

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Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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