Segment Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Assets	$ 3,106.7		$ 3,106.7		$ 4,477.9
Net sales to external customers:
Net sales	788.0	731.4	2,314.0	2,285.9
Segment EBIT:
Total EBIT for reportable segments	11.2	83.5	235.6	302.7
Unallocated corporate expenses	(15.5)	(24.2)	(57.2)	(66.9)
Interest expense	(9.1)	(5.0)	(20.4)	(17.5)
Income From Continuing Operations Before Income Taxes	(12.4)	54.7	161.1	219.7
Mobile Industries [Member]
Segment Reporting Information [Line Items]
Assets	1,122.9		1,122.9		1,051.4
Net sales to external customers:
Net sales	357.1	348.0	1,072.3	1,137.5
Segment EBIT:
Total EBIT for reportable segments	47.0	27.8	144.5	132.1
Process Industries [Member]
Segment Reporting Information [Line Items]
Assets	1,141.8		1,141.8		1,096.7
Net sales to external customers:
Net sales	355.6	307.2	1,001.9	907.7
Segment EBIT:
Total EBIT for reportable segments	77.4	51.1	196.0	149.6
Aerospace [Member]
Segment Reporting Information [Line Items]
Assets	392.3		392.3		555.8
Net sales to external customers:
Net sales	75.3	76.2	239.8	240.7
Segment EBIT:
Total EBIT for reportable segments	(113.2)	4.6	(104.9)	21.0
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Assets	449.7		449.7		558.3
Discontinued Operations [Member]
Segment Reporting Information [Line Items]
Assets	$ 0		$ 0		$ 1,215.7