Impairment and Restructuring Charges (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Impairment and Restructuring Charges for the Mobile Segment
Impairment charges									$ 3.3	$ 98.9	$ 0.1
Severance expense and related benefit costs		$ 4.3		$ 0.4	$ 4.4	$ 1.3	$ 2.8		7.7	10.7	9.2
Exit costs		0.1		3.1	1.0	0.1	1.8		3.7	3.8	(0.6)
Total	$ 2.7	$ 4.4	$ 1.4	$ 6.2	$ 5.4	$ 99.4	$ 5.4	$ 3.2	14.7	113.4	8.7
Mobile Industries [Member]
Impairment and Restructuring Charges for the Mobile Segment
Impairment charges									0.1	98.2	0.0
Severance expense and related benefit costs									4.5	9.3	6.6
Exit costs									0.8	2.0	(1.5)
Total									5.4	109.5	5.1
Process Industries [Member]
Impairment and Restructuring Charges for the Mobile Segment
Impairment charges									3.2	0.3	0.1
Severance expense and related benefit costs									2.6	1.4	2.6
Exit costs									2.9	1.8	0.9
Total									8.7	3.5	3.6
Corporate, Non-Segment [Member]
Impairment and Restructuring Charges for the Mobile Segment
Impairment charges									0.0	0.4	0.0
Severance expense and related benefit costs									0.6	0.0	0.0
Exit costs									0.0	0.0	0.0
Total									$ 0.6	$ 0.4	$ 0.0