Restructuring Actions Restructuring Actions - Schedule of Restructuring Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 9.5	$ 24.3	$ 21.7
Asset write-offs	1.9	0.7	1.0
Other restructuring costs	1.7	1.3	1.3
Total restructuring costs	13.1	26.3	24.0
Industrial Process
Restructuring Cost and Reserve [Line Items]
Asset write-offs	(1.8)	(0.5)
Total restructuring costs	7.4	20.5	12.2
Motion Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	2.3	2.5	0.0
Connect & Control Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	3.3	1.5	11.6
Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 0.1	$ 1.8	$ 0.2