Litigation, Commitments and Contingencies - Operating Leases (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Leases, Rent Expense, Net [Abstract]
Minimum lease payments	$ 8.5	$ 6.1	$ 8.7
Contingent rentals	3.8	6.1	4.5
Rental income	(8.4)	(3.4)	(3.1)
Sublease income	(0.5)	(0.7)	(0.8)
Total rental expense	3.4	8.1	9.3
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2014	6.9
2015	5.3
2016	2.3
2017	1.4
2018	0.7
Thereafter	1.5
Total	18.1
Warehouse providers | Cost of Sales
Operating Leases, Rent Expense, Net [Abstract]
Minimum lease payments	0.9	0.8	0.8
Contingent rentals	$ 2.8	$ 1.8	$ 1.7