Goodwill and Intangible Assets (Details 1) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Intangibles not subject to amortization:
Gross Carrying Value	$ 71.8	$ 70.4
Accumulated Amortization	(37.9)	(33.5)
Net Carrying Value	33.9	36.9
Trademarks And Tradenames [Member]
Intangibles not subject to amortization:
Gross Carrying Value	6.1	6.1
Net Carrying Value	6.1	6.1
Trademarks [Member]
Schedule of the balance of intangible assets by segment and the activity occurring in the past two fiscal years
Gross Carrying Value	1.6	1.6
Accumulated Amortization	(1.6)	(1.5)
Net Carrying Value	0	0.1
Patents [Member]
Schedule of the balance of intangible assets by segment and the activity occurring in the past two fiscal years
Gross Carrying Value	6.9	6.9
Accumulated Amortization	(6.9)	(6.8)
Net Carrying Value	0	0.1
Customer related assets [Member]
Schedule of the balance of intangible assets by segment and the activity occurring in the past two fiscal years
Gross Carrying Value	47.1	47.1
Accumulated Amortization	(23.0)	(19.7)
Net Carrying Value	24.1	27.4
Non-compete agreements [Member]
Schedule of the balance of intangible assets by segment and the activity occurring in the past two fiscal years
Gross Carrying Value	2.2	2.2
Accumulated Amortization	(2.2)	(2.1)
Net Carrying Value	0	0.1
Developed technology [Member]
Schedule of the balance of intangible assets by segment and the activity occurring in the past two fiscal years
Gross Carrying Value	4.0	4.0
Accumulated Amortization	(2.4)	(2.0)
Net Carrying Value	1.6	2.0
Other [Member]
Schedule of the balance of intangible assets by segment and the activity occurring in the past two fiscal years
Gross Carrying Value	3.9	2.5
Accumulated Amortization	(1.8)	(1.4)
Net Carrying Value	2.1	1.1
Subtotal [Member]
Schedule of the balance of intangible assets by segment and the activity occurring in the past two fiscal years
Gross Carrying Value	65.7	64.3
Accumulated Amortization	(37.9)	(33.5)
Net Carrying Value	$ 27.8	$ 30.8