|
Debt - Summary of Components of Long-Term Borrowings and Capital Lease Obligations (Detail) (USD $)
In Millions, unless otherwise specified |
Mar. 31, 2015
|
Dec. 31, 2014
|
|---|---|---|
| Borrowings [Line Items] | ||
| Total long-term borrowings and capital lease obligations, including current portion | $ 50.1 | $ 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 | 43.9 | 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 |
| Senior Secured Credit Facility | Term Loan | ||
| Borrowings [Line Items] | ||
| Total long-term borrowings and capital lease obligations, including current portion | $ 49.2 | $ 49.2 |