CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Income Statement [Abstract]
Revenues	$ 370.5	$ 285.7	$ 1,031.6	$ 869.5
Costs and expenses:
Cost of products sold	237.4	189.9	669.9	567.0
Selling, general and administrative	89.1	72.7	261.6	223.3
Intangible amortization	6.7	5.5	23.1	16.0
Impairment of goodwill and intangible assets	0.0	24.3	0.0	24.3
Special charges, net	0.0	(0.1)	0.1	0.7
Other operating (income) expense, net	0.0	(24.3)	1.0	(21.6)
Operating income	37.3	17.7	75.9	59.8
Other income (expense), net	(24.6)	3.8	(19.8)	17.6
Interest expense	(2.6)	(3.5)	(7.3)	(10.9)
Interest income	1.0	0.1	1.4	0.2
Loss on amendment/refinancing of senior credit agreement	(1.1)	0.0	(1.1)	(0.2)
Income from continuing operations before income taxes	10.0	18.1	49.1	66.5
Income tax (provision) benefit	2.5	(4.2)	(4.5)	(11.9)
Income from continuing operations	12.5	13.9	44.6	54.6
Income (loss) from discontinued operations, net of tax	0.0	(35.3)	0.0	9.4
Income (loss) on disposition of discontinued operations, net of tax	(9.4)	351.7	(17.1)	355.0
Income (loss) from discontinued operations, net of tax	(9.4)	316.4	(17.1)	364.4
Net income	$ 3.1	$ 330.3	$ 27.5	$ 419.0
Basic income per share of common stock:
Income from continuing operations (in dollars per share)	$ 0.28	$ 0.31	$ 0.98	$ 1.21
Income (loss) from discontinued operations (in dollars per share)	(0.21)	6.98	(0.38)	8.05
Net income per share (in dollars per share)	$ 0.07	$ 7.29	$ 0.60	$ 9.26
Weighted-average number of common shares outstanding — basic (in shares)	45,144	45,331	45,382	45,244
Diluted income per share of common stock:
Income from continuing operations (in dollars per share)	$ 0.27	$ 0.30	$ 0.96	$ 1.18
Income (loss) from discontinued operations (in dollars per share)	(0.20)	6.78	(0.37)	7.84
Net income per share (in dollars per share)	$ 0.07	$ 7.08	$ 0.59	$ 9.02
Weighted-average number of common shares outstanding — diluted (in shares)	46,132	46,650	46,253	46,455
Comprehensive income (loss)	$ (13.7)	$ 324.2	$ 0.8	$ 415.0