Impairments Restructuring Charges and Other Items (Details 1) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Activities for accrued impairment, restructuring charges and other items
Beginning balance	$ 1.6
Accruals	5.4
Payments	(4.4)
Ending balance	2.6
Severance [Member]
Activities for accrued impairment, restructuring charges and other items
Beginning balance	0.1
Accruals	2.8
Payments	(2.0)
Ending balance	0.9
Other [Member]
Activities for accrued impairment, restructuring charges and other items
Beginning balance	1.5
Accruals	2.6
Payments	(2.4)
Ending balance	$ 1.7
Minimum [Member]
Restructuring Cost and Reserve [Line Items]
Period for Payment of Environmental Reserve	12 months
Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Period for Payment of Environmental Reserve	18 months