Goodwill and Other Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Other Intangible Assets
Amortizable intangible assets, Gross Amount	$ 33.2	$ 35.3
Amortizable intangible assets, Accumulated Amortization	(12.6)	(13.3)
Total, Gross Amount	69.4	72.2
Trade names
Other Intangible Assets
Non-amortizable, Gross Amount	36.2	36.9
Customer based intangibles
Other Intangible Assets
Average amortization	15 years
Amortizable intangible assets, Gross Amount	21.3	22.7
Amortizable intangible assets, Accumulated Amortization	(7.6)	(8.1)
Trade names and trademarks
Other Intangible Assets
Amortizable intangible assets, Gross Amount	4.6	5.1
Amortizable intangible assets, Accumulated Amortization	(3.9)	(4.2)
Trade names and trademarks | Minimum
Other Intangible Assets
Average amortization	10 years
Trade names and trademarks | Maximum
Other Intangible Assets
Average amortization	15 years
Acquired technology
Other Intangible Assets
Amortizable intangible assets, Gross Amount	7.3	7.5
Amortizable intangible assets, Accumulated Amortization	$ (1.1)	$ (1.0)
Acquired technology | Minimum
Other Intangible Assets
Average amortization	10 years
Acquired technology | Maximum
Other Intangible Assets
Average amortization	15 years