Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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ACQUISITIONS AND DISCONTINUED OPERATIONS - Narrative (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Oct. 01, 2021	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Discontinued Operations
Gain (loss) on disposition of discontinued operations, net of tax		$ 354.4	$ 0.1	$ 357.7	$ (1.2)
Discontinued Operations, Disposed of by Sale
Discontinued Operations
Gain (loss) on disposition of discontinued operations, net of tax		(3.3)	$ 0.1	0.0	$ (1.2)
Discontinued Operations, Disposed of by Sale \| Transformer Solutions
Discontinued Operations
Payment for acquisition	$ 620.6
Gain (loss) on disposition of discontinued operations, net of tax		$ 357.7		$ 357.7