SEGMENT INFORMATION - Schedule of Segment Reporting Information by Segment Revenue (Detail) $ in Millions	3 Months Ended			9 Months Ended
	Oct. 02, 2021 USD ($)	Sep. 26, 2020 USD ($)		Oct. 02, 2021 USD ($) Segment		Sep. 26, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | Segment				3
Revenue	$ 689.6	$ 591.2		$ 2,079.6		$ 1,769.2
Operating income	$ 101.7	$ (62.5)		$ 391.2		$ 67.3
Operating Margin	14.70%	(10.60%)		18.80%		3.80%
Total Segment Results [Member]
Segment Reporting Information [Line Items]
Revenue	$ 689.6	$ 591.2		$ 2,079.6		$ 1,769.2
Operating income	$ 111.2	$ 83.9		$ 344.1		$ 199.1
Operating Margin	16.10%	14.20%		16.50%		11.30%
Motion Technologies
Segment Reporting Information [Line Items]
Revenue	$ 332.3	$ 271.8		$ 1,045.0		$ 769.0
Operating income	$ 53.6	$ 50.4		$ 194.3		$ 113.9
Operating Margin	16.10%	18.50%		18.60%		14.80%
Industrial Process
Segment Reporting Information [Line Items]
Revenue	$ 210.7	$ 194.1		$ 626.9		$ 614.7
Operating income	$ 32.4	$ 17.1		$ 94.9		$ 44.5
Operating Margin	15.40%	8.80%		15.10%		7.20%
Connect & Control Technologies
Segment Reporting Information [Line Items]
Revenue	$ 147.1	$ 125.9		$ 408.9		$ 387.5
Operating income	$ 25.2	$ 16.4		$ 54.9		$ 40.7
Operating Margin	17.10%	13.00%		13.40%		10.50%
Total Eliminations / Corporate and Other costs
Segment Reporting Information [Line Items]
Revenue	$ 0.0	$ 0.0		$ 0.0		$ 0.0
Operating income	$ (9.5)	$ (146.4)		$ 47.1		$ (131.8)
Operating Margin	0.00%	0.00%		0.00%		0.00%
Asbestos-related (costs) benefit, net
Segment Reporting Information [Line Items]
Revenue	$ 0.0	$ 0.0		$ 0.0		$ 0.0
Operating income	$ 0.0	$ (141.4)	[1]	$ 74.4	[2]	$ (116.7)	[1]
Operating Margin	0.00%	0.00%		0.00%		0.00%
Eliminations / Other Corporate costs
Segment Reporting Information [Line Items]
Revenue	$ (0.5)	$ (0.6)		$ (1.2)		$ (2.0)
Operating income	$ (9.5)	$ (5.0)		$ (27.3)		$ (15.1)
Operating Margin	0.00%	0.00%		0.00%		0.00%

[1] The 2020 period includes the impact of extending the net asbestos measurement over the full time period we expected claims to be filed against InTelCo Management LLC (InTelCo), the entity holding legacy asbestos-related assets and liabilities.

[2] The 2021 period includes a pre-tax gain of $88.8 resulting from the divestiture of InTelCo. See Note 19, Commitments and Contingencies, for further information.