Segment Information - Schedule of Segment Reporting Information by Segment Assets (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Assets	$ 3,723.6	$ 3,631.5
Capital Expenditures	86.7	118.8	$ 122.9
Depreciation and amortization	90.0	88.3	86.9
Industrial Process [Member]
Segment Reporting Information [Line Items]
Assets	1,097.5	1,152.3
Capital Expenditures	20.4	40.4	63.0
Depreciation and amortization	27.9	29.1	31.0
Motion Technologies [Member]
Segment Reporting Information [Line Items]
Assets	779.8	450.1
Capital Expenditures	39.3	49.2	31.7
Depreciation and amortization	32.4	30.3	29.6
Interconnect Solutions [Member]
Segment Reporting Information [Line Items]
Assets	303.2	365.4
Capital Expenditures	17.6	20.2	15.6
Depreciation and amortization	10.8	12.8	10.6
Control Technologies [Member]
Segment Reporting Information [Line Items]
Assets	370.6	334.1
Capital Expenditures	6.1	3.8	5.7
Depreciation and amortization	12.6	10.0	10.0
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Assets	1,172.5	1,329.6
Capital Expenditures	3.3	5.2	6.9
Depreciation and amortization	$ 6.3	$ 6.1	$ 5.7