Restructuring Actions Restructuring Costs by Type and Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 4.2	$ 9.5	$ 24.3
Asset write-offs	0.0	1.9	0.7
Other restructuring costs	1.0	1.7	1.3
Total restructuring costs	5.2	13.1	26.3
Industrial Process
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0.1	7.4	20.5
Motion Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	2.3	2.3	2.5
Connect & Control Technologies
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	2.1	3.3	1.5
Corporate and Other [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 0.7	$ 0.1	$ 1.8