Long-Term Debt and Lease Financing Obligation - Schedule of Long-Term Debt (Detail) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Debt Instrument [Line Items]
Total debt	$ 1,367.1		$ 1,367.0
Less: current portion of long-term debt	(2.5)		(2.5)
Debt issuance costs		$ 3.0
Long-term debt, net	1,364.6		1,364.5
4.875 Notes [Member]
Debt Instrument [Line Items]
Total debt	$ 444.4		$ 444.2
Stated Interest Rate (as a percent)	4.875%		4.875%
Debt issuance costs	$ 5.6		$ 5.8
Debt maturity date	May 15, 2023
Term Loan Facility [Member] \| Due 2022 [Member]
Debt Instrument [Line Items]
Total debt	$ 243.9		244.4
Stated Interest Rate (as a percent)	4.00%
Debt issuance costs	$ 3.0		3.1
Debt maturity date	Feb. 27, 2022
4.625 Notes [Member]
Debt Instrument [Line Items]
Total debt	$ 678.8		$ 678.4
Stated Interest Rate (as a percent)	4.625%		4.625%
Debt issuance costs	$ 9.2		$ 9.6
Debt maturity date	Feb. 15, 2021
ABL Revolver [Member]
Debt Instrument [Line Items]
Debt maturity date	Dec. 17, 2019

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
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-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow for loan and debt issuance costs.

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