Segment Assets, Capital Expenditures, and Depreciation and Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Assets	$ 3,846.8	$ 3,700.2
Capital Expenditures	95.5	113.3	$ 111.4
Depreciation and amortization	109.4	105.3	102.0
Industrial Process
Segment Reporting Information [Line Items]
Assets	1,000.1	1,025.7
Capital Expenditures	7.8	19.3	24.4
Depreciation and amortization	26.9	27.5	27.9
Motion Technologies
Segment Reporting Information [Line Items]
Assets	1,147.2	1,140.4
Capital Expenditures	75.0	79.1	73.5
Depreciation and amortization	57.2	49.4	43.2
Connect & Control Technologies
Segment Reporting Information [Line Items]
Assets	694.0	694.8
Capital Expenditures	10.8	10.6	11.7
Depreciation and amortization	21.2	22.8	24.3
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Assets	1,005.5	839.3
Capital Expenditures	1.9	4.3	1.8
Depreciation and amortization	$ 4.1	$ 5.6	$ 6.6