Long-Term Debt and Lease Financing Obligation - Schedule of Long-Term Debt (Detail) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Debt Instrument [Line Items]
Total debt	$ 1,367.3		$ 1,367.0
Less: current portion of long-term debt	(2.5)		(2.5)
Debt issuance costs		$ 3.5
Long-term debt, net	1,364.8		1,364.5
4.875 Notes [Member]
Debt Instrument [Line Items]
Total debt	$ 444.6		$ 444.2
Stated Interest Rate (as a percent)	4.875%		4.875%
Debt issuance costs	$ 5.4		$ 5.8
Debt maturity date	May 15, 2023
Term Loan Facility [Member] \| Due 2022 [Member]
Debt Instrument [Line Items]
Total debt	$ 243.5		244.4
Stated Interest Rate (as a percent)	4.00%
Debt maturity date	Feb. 27, 2022
4.625 Notes [Member]
Debt Instrument [Line Items]
Total debt	$ 679.2		$ 678.4
Stated Interest Rate (as a percent)	4.625%		4.625%
Debt issuance costs	$ 8.8		$ 9.6
Debt maturity date	Feb. 15, 2021
ABL Revolver [Member]
Debt Instrument [Line Items]
Total debt	$ 2.8		$ 3.1
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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-Name Accounting Standards Codification
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts 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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