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Debt - Summary of Components of Long-Term Borrowings and Capital Lease Obligations (Detail) - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Borrowings [Line Items]
Total long-term borrowings and capital lease obligations, including current portion	$ 48.6	$ 50.2
Less: Current maturities	5.8	5.8
Less: Current capital lease obligations	0.4	0.4
Total long-term borrowings and capital lease obligations, net	42.4	44.0
Capital Lease Obligations
Borrowings [Line Items]
Total long-term borrowings and capital lease obligations, including current portion	0.9	1.0
Senior Secured Credit Facility | Revolving Credit Facility
Borrowings [Line Items]
Total long-term borrowings and capital lease obligations, including current portion	0.0	0.0
Senior Secured Credit Facility | Term Loan
Borrowings [Line Items]
Total long-term borrowings and capital lease obligations, including current portion	$ 47.7	$ 49.2

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Borrowings [Line Items]

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

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

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-Name Accounting Standards Codification



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-SubTopic 30



-Section 50



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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.

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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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