SEGMENT INFORMATION - Schedule of Segment Reporting Information by Segment Revenue (Detail) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)		Sep. 30, 2018 USD ($) Segment	Sep. 30, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | Segment				3
Revenue	$ 680.6	$ 645.0		$ 2,066.7	$ 1,901.7
Operating income	$ 137.8	$ 133.1	[1]	$ 328.7	$ 249.2	[1]
Operating Margin	20.20%	20.60%	[1]	15.90%	13.10%	[1]
Total Segment Results [Member]
Segment Reporting Information [Line Items]
Revenue	$ 681.3	$ 645.7		$ 2,068.8	$ 1,904.4
Operating income	$ 108.2	$ 81.5	[1]	$ 316.2	$ 242.9	[1]
Operating Margin	15.90%	12.60%	[1]	15.30%	12.80%	[1]
Industrial Process [Member]
Segment Reporting Information [Line Items]
Revenue	$ 205.0	$ 196.2		$ 598.0	$ 574.6
Operating income	$ 23.7	$ 14.3	[1]	$ 64.0	$ 37.7	[1]
Operating Margin	11.60%	7.30%	[1]	10.70%	6.60%	[1]
Motion Technologies [Member]
Segment Reporting Information [Line Items]
Revenue	$ 310.3	$ 300.1		$ 982.8	$ 877.5
Operating income	$ 58.5	$ 49.2	[1]	$ 175.9	$ 156.3	[1]
Operating Margin	18.90%	16.40%	[1]	17.90%	17.80%	[1]
Connect & Control Technologies [Member]
Segment Reporting Information [Line Items]
Revenue	$ 166.0	$ 149.4		$ 488.0	$ 452.3
Operating income	$ 26.0	$ 18.0	[1]	$ 76.3	$ 48.9	[1]
Operating Margin	15.70%	12.00%	[1]	15.60%	10.80%	[1]
Total Eliminations / Corporate and Other costs
Segment Reporting Information [Line Items]
Revenue	$ (0.7)	$ (0.7)		$ (2.1)	$ (2.7)
Operating income	$ 29.6	$ 51.6		$ 12.5	$ 6.3
Operating Margin	0.00%	0.00%		0.00%	0.00%
Asbestos-related benefit, net
Segment Reporting Information [Line Items]
Revenue	$ 0.0	$ 0.0		$ 0.0	$ 0.0
Operating income	$ 4.3	$ 62.8		$ 10.5	$ 33.0
Operating Margin	0.00%	0.00%		0.00%	0.00%
Gain on sale of long-lived assets
Segment Reporting Information [Line Items]
Revenue	$ 0.0	$ 0.0		$ 0.0	$ 0.0
Operating income	$ 38.0	$ 0.0		$ 38.0	$ 0.0
Operating Margin	0.00%	0.00%		0.00%	0.00%
Eliminations / Other corporate costs
Segment Reporting Information [Line Items]
Revenue	$ (0.7)	$ (0.7)		$ (2.1)	$ (2.7)
Operating income	$ (12.7)	$ (11.2)		$ (36.0)	$ (26.7)
Operating Margin	0.00%	0.00%		0.00%	0.00%

[1] (a)Operating income and operating margin for the three and nine months ended September 30, 2017 has been restated to reflect the adoption of ASU 2017-07. Refer to Note 2, Recent Accounting Pronouncements for further information.