Discontinued Operations - Results of Discontinued Operations (Details) - Discontinued Operations, Disposed of by Sale - Discontinued Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales		$ 204.5		$ 404.5
Cost of sales		119.9		258.2
Gross profit		84.6		146.3
Distribution		2.8		6.1
Research and development		17.3		30.6
Selling		8.8		16.2
Administration		12.4		30.6
Other operating expense (income), net		0.5		(0.4)
Total operating expenses		41.8		83.1
Operating income (loss)		42.8		63.2
Interest expense, net		0.2		0.8
Other (income) expense, net		(0.2)		(1.7)
Income from discontinued operations before tax		42.8		64.1
Income tax expense (benefit)		(11.4)		(25.4)
Income (loss) from discontinued operations, net of tax	$ (0.2)	$ 54.2	$ (1.4)	$ 89.5