ACQUISITIONS AND DISCONTINUED OPERATIONS - Sale of Transformers Solutions Business (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Discontinued Operations
Income (loss) from discontinued operations, net of tax	$ (1.6)	$ 3.8
Discontinued Operations
Discontinued Operations
Income before income tax	(2.1)	5.3
Income tax provision	0.5	(1.5)
Income (loss) from discontinued operations, net of tax	$ (1.6)	3.8
Discontinued Operations | Transformer Solutions Business
Discontinued Operations
Revenues		110.6
Cost of product sold		89.4
Selling, general and administrative		9.5
Other expense, net		0.2
Income before income tax		11.5
Income tax provision		(2.9)
Income (loss) from discontinued operations, net of tax		$ 8.6