Goodwill and Other Intangible Assets, net - Components of Other Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Amortizable intangible assets:
Gross Carrying Amount	$ 1,428.5	$ 1,485.1
Accumulated Amortization	540.5	543.4
Net Carrying Amount	888.0	941.7
Other intangible assets, gross:
Amortizable intangible assets, gross	1,428.5	1,485.1
Trademarks and tradenames	621.9	653.2
Other intangible assets, gross	2,050.4	2,138.3
Other intangible assets, net:
Amortizable intangible assets, net	888.0	941.7
Trademarks and tradenames	621.9	653.2
Other intangible assets, net	1,509.9	1,594.9
Customer relationships
Amortizable intangible assets:
Gross Carrying Amount	1,401.5	1,456.9
Accumulated Amortization	528.2	531.3
Net Carrying Amount	873.3	925.6
Other intangible assets, gross:
Amortizable intangible assets, gross	1,401.5	1,456.9
Other intangible assets, net:
Amortizable intangible assets, net	873.3	925.6
Other
Amortizable intangible assets:
Gross Carrying Amount	27.0	28.2
Accumulated Amortization	12.3	12.1
Net Carrying Amount	14.7	16.1
Other intangible assets, gross:
Amortizable intangible assets, gross	27.0	28.2
Other intangible assets, net:
Amortizable intangible assets, net	$ 14.7	$ 16.1