Debt - Schedule of Long-Term Debt Components (Detail) - USD ($) $ in Millions |
Jun. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Mortgage & Capital Lease | $ 0.1 | $ 0.1 |
| Transaction Costs | (1.8) | (2.2) |
| Total | 760.6 | 716.3 |
| 2013 Credit Agreement [Member] | ||
| Debt Instrument [Line Items] | ||
| Credit Agreement | 412.3 | 368.4 |
| 2013 Note Purchase Agreement [Member] | ||
| Debt Instrument [Line Items] | ||
| Note Purchase Agreement | 150.0 | 150.0 |
| Receivables Securitization Program [Member] | ||
| Debt Instrument [Line Items] | ||
| Credit Agreement | $ 200.0 | $ 200.0 |