Segment Information - Schedule of Segment Reporting Information by Segment Assets (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Assets	$ 3,601.7	$ 3,723.6
Capital Expenditures	111.4	86.7	$ 118.8
Depreciation and amortization	102.0	90.0	88.3
Industrial Process [Member]
Segment Reporting Information [Line Items]
Assets	998.1	1,097.5
Capital Expenditures	24.4	20.4	40.4
Depreciation and amortization	27.9	27.9	29.1
Motion Technologies [Member]
Segment Reporting Information [Line Items]
Assets	838.4	779.8
Capital Expenditures	73.5	39.3	49.2
Depreciation and amortization	43.2	32.4	30.3
Interconnect Solutions [Member]
Segment Reporting Information [Line Items]
Assets	306.7	303.2
Capital Expenditures	5.2	17.6	20.2
Depreciation and amortization	12.0	10.8	12.8
Control Technologies [Member]
Segment Reporting Information [Line Items]
Assets	371.7	370.6
Capital Expenditures	6.5	6.1	3.8
Depreciation and amortization	12.3	12.6	10.0
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Assets	1,086.8	1,172.5
Capital Expenditures	1.8	3.3	5.2
Depreciation and amortization	$ 6.6	$ 6.3	$ 6.1