Goodwill and Other Intangible Assets - Other Intagible Assets (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Intangible Assets [Line Items]
Gross Carrying Amount	$ 109.1	$ 107.9
Accumulated Amortization - Intangibles	(53.0)	(44.1)
Net Carrying Amount	56.1	63.8
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2013	7.1
2014	6.2
2015	5.5
2016	5.0
2017	3.8
International [Member] | Customer Relationships [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	76.1	75.9
Accumulated Amortization - Intangibles	(42.2)	(35.7)
Net Carrying Amount	33.9	40.2
International [Member] | Trade Names [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	13.0	12.1
Gross and Net Carrying Amount - Indefinite Lived	13.0	12.1
International [Member] | Trademarks [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	2.0	2.0
Accumulated Amortization - Intangibles	(2.0)	(1.8)
Net Carrying Amount	0	0.2
International [Member] | Other Intangible Assets [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	3.4	3.6
Accumulated Amortization - Intangibles	(3.3)	(2.8)
Net Carrying Amount	0.1	0.8
North America [Member] | Customer Relationships [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	12.9	12.7
Accumulated Amortization - Intangibles	(5.4)	(3.8)
Net Carrying Amount	7.5	8.9
North America [Member] | Trademarks [Member]
Intangible Assets [Line Items]
Gross Carrying Amount	1.7	1.6
Accumulated Amortization - Intangibles	(0.1)
Net Carrying Amount	1.6	1.6
North America [Member] | Other Intangible Assets [Member]
Intangible Assets [Line Items]
Gross Carrying Amount		0
Net Carrying Amount		$ 0