Debt and Credit Facilities - Additional Information (Detail) € in Millions, $ in Millions		3 Months Ended
		Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jun. 30, 2015 EUR (€)
Debt Instrument [Line Items]
Loss on debt redemption and refinancing activities	[1]		$ 0.5
5.50% Senior Notes due September 2025 [Member]
Debt Instrument [Line Items]
Credit facility, maturity date		Sep. 15, 2025
Senior Notes		$ 400.0		$ 396.1	$ 396.1
Debt interest rate		5.50%		5.50%	5.50%	5.50%
Non-lender fees		$ 8.0
4.50% Senior Notes due September 2023 [Member]
Debt Instrument [Line Items]
Credit facility, maturity date		Sep. 15, 2023
Senior Notes				$ 449.2	$ 432.9	€ 400
Debt interest rate		4.50%		4.50%	4.50%	4.50%
Non-lender fees		$ 8.0
8.375% Senior Notes Due September 2021 [Member]
Debt Instrument [Line Items]
Credit facility, maturity date		Sep. 01, 2021
Debt interest rate		8.375%				8.375%
Aggregate repurchase price of senior notes		$ 866.0
Repurchased debt principal amount		750.0
Premium paid on redemption of debt		99.0
Accrued interest paid on redemption of debt		17.0
Loss on debt redemption and refinancing activities		111.0
Amortization Of Debt Discount Premium		$ 11.0

[1] For the three months ended March 31, 2015, certain amounts related to foreign currency gains and losses, including the remeasurement loss related to Venezuelan subsidiaries in 2015, and the settlement of foreign currency forward contracts were misclassified. Additional revisions were made to the Condensed Consolidated Balance Sheets for the three months ended March 31, 2015. As a result, corresponding changes were made on the Condensed Consolidated Statement of Cash Flows. See Note 1 “Organization and Basis of Presentation” under the heading “Reclassifications and Revisions” for further discussion of the revisions.