Impairment and Restructuring Charges (Details Textual) $ in Millions	3 Months Ended
	Mar. 31, 2017 USD ($) Positions	Mar. 31, 2016 USD ($) Positions	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Restructuring and Related Cost [Line Items]
Exit costs	$ 0.5	$ 0.2
Tangible Asset Impairment Charges		2.6
Severance Costs	1.2	$ 7.7
Restructuring accrual	$ 7.5		$ 10.1	$ 11.3
WorkforceReduction [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | Positions	17	100
Severance Costs	$ 0.7	$ 6.3
Mobile Industries [Member]
Restructuring and Related Cost [Line Items]
Exit costs	0.0	0.2
Tangible Asset Impairment Charges		2.6
Severance Costs	1.2	4.1
Mobile Industries [Member] | WorkforceReduction [Member]
Restructuring and Related Cost [Line Items]
Severance Costs		2.7
Process Industries [Member]
Restructuring and Related Cost [Line Items]
Exit costs	0.0	0.0
Tangible Asset Impairment Charges		0.0
Severance Costs	0.0	3.6
Process Industries [Member] | WorkforceReduction [Member]
Restructuring and Related Cost [Line Items]
Severance Costs		3.6
Corporate Segment [Member]
Restructuring and Related Cost [Line Items]
Exit costs	0.5	0.0
Tangible Asset Impairment Charges		0.0
Severance Costs	0.0	0.0
Pulaski [Member]
Restructuring and Related Cost [Line Items]
Other Restructuring Costs	$ 5.7
Pulaski [Member] | WorkforceReduction [Member]
Restructuring and Related Cost [Line Items]
Restructuring and Related Cost, Number of Positions Eliminated | Positions	120
Severance Costs	$ 0.6
Altavista Bearing Plant [Member] [Member]
Restructuring and Related Cost [Line Items]
Goodwill and Intangible Asset Impairment		2.4
Severance Costs		$ 1.3
Other Restructuring Costs	$ 10.6