Segment Information - Schedule of Segment Reporting Information by Segment Revenue (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenue	$ 2,654.6	$ 2,496.9	$ 2,227.8
Operating income (loss)	266.4	183.6	151.5
Operating margin	10.00%	7.40%	6.80%
Industrial Process [Member]
Segment Reporting Information [Line Items]
Revenue	1,208.3	1,107.4	955.8
Operating income (loss)	123.9	112.0	99.3
Operating margin	10.30%	10.10%	10.40%
Motion Technologies [Member]
Segment Reporting Information [Line Items]
Revenue	769.4	721.8	626.2
Operating income (loss)	130.9	100.3	83.1
Operating margin	17.00%	13.90%	13.30%
Interconnect Solutions [Member]
Segment Reporting Information [Line Items]
Revenue	392.8	395.5	375.7
Operating income (loss)	22.2	14.2	6.9
Operating margin	5.70%	3.60%	1.80%
Control Technologies [Member]
Segment Reporting Information [Line Items]
Revenue	290.5	278.2	277.1
Operating income (loss)	63.5	55.3	58.3
Operating margin	21.90%	19.90%	21.00%
Total Segment Results [Member]
Segment Reporting Information [Line Items]
Revenue	2,661.0	2,502.9	2,234.8
Operating income (loss)	340.5	281.8	247.6
Operating margin	12.80%	11.30%	11.10%
Asbestos Related Costs Net [Member]
Segment Reporting Information [Line Items]
Operating income (loss)	(3.9)	(32.8)	(50.9)
Eliminations / Other Corporate Costs [Member]
Segment Reporting Information [Line Items]
Revenue	(6.4)	(6.0)	(7.0)
Operating income (loss)	(70.2)	(65.4)	(45.2)
Total Eliminations / Corporate and Other Costs [Member]
Segment Reporting Information [Line Items]
Revenue	(6.4)	(6.0)	(7.0)
Operating income (loss)	$ (74.1)	$ (98.2)	$ (96.1)