Commitments and Contingencies - Schedule of Minimum Rental Commitments Under Noncancelable Leases (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Total	$ 7.3
2014	3.4
2015	2.2
2016	1.4
2017	0.3
2018	0
Thereafter	0
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Total	78.8
2014	28.7
2015	13.4
2016	9.5
2017	6.4
2018	4.7
Thereafter	$ 16.1

Amount of minimum lease payments for capital leases.

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