Debt - Summary of Components of Long-Term Borrowings and Capital Lease Obligations (Detail) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Borrowings [Line Items]
Total long-term borrowings and capital lease obligations, including current portion	$ 66.9	$ 44.1
Less: Current capital lease obligations	0.6	0.4
Total long-term borrowings and capital lease obligations, net	66.3	43.7
Capital Lease Obligations
Borrowings [Line Items]
Total long-term borrowings and capital lease obligations, including current portion	1.1	0.7
2016 Credit Agreement \| Revolving Credit Facility
Borrowings [Line Items]
Long-term borrowings, including current portion	65.8	0.0
Senior Secured Credit Facility \| Term Loan
Borrowings [Line Items]
Long-term borrowings, including current portion	$ 0.0	$ 43.4

Borrowings [Line Items]

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- Definition

Long term debt and capital lease obligations current and non-current.

+ References

No definition available.

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- Definition

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45023-112735

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19
-Article 5

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

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)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H

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Amount of long-term debt and capital lease obligations including current maturities.

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