CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Income Statement [Abstract]
Revenues	$ 354.0	$ 296.6	$ 661.1	$ 583.8
Costs and expenses:
Cost of products sold	229.4	194.3	432.5	377.1
Selling, general and administrative	88.3	75.4	172.5	150.6
Intangible amortization	7.1	6.5	16.4	10.5
Special charges, net	0.1	0.6	0.1	0.8
Other operating expense, net	1.9	2.7	1.0	2.7
Operating income	27.2	17.1	38.6	42.1
Other income (expense), net	(1.7)	6.4	4.8	13.8
Interest expense	(2.3)	(3.4)	(4.7)	(7.6)
Interest income	0.3	0.0	0.4	0.1
Income from continuing operations before income taxes	23.5	20.1	39.1	48.4
Income tax provision	(4.4)	(2.4)	(7.0)	(7.7)
Income from continuing operations	19.1	17.7	32.1	40.7
Income from discontinued operations, net of tax	0.0	40.1	0.0	44.7
Income (loss) on disposition of discontinued operations, net of tax	(6.1)	4.1	(7.7)	3.3
Income (loss) from discontinued operations, net of tax	(6.1)	44.2	(7.7)	48.0
Net income	$ 13.0	$ 61.9	$ 24.4	$ 88.7
Basic income per share of common stock:
Income from continuing operations (in dollars per share)	$ 0.42	$ 0.39	$ 0.71	$ 0.90
Income (loss) from discontinued operations (in dollars per share)	(0.13)	0.98	(0.17)	1.06
Net income per share (in dollars per share)	$ 0.29	$ 1.37	$ 0.54	$ 1.96
Weighted-average number of common shares outstanding — basic (in shares)	45,444	45,271	45,500	45,201
Diluted income per share of common stock:
Income from continuing operations (in dollars per share)	$ 0.41	$ 0.38	$ 0.69	$ 0.88
Income (loss) from discontinued operations (in dollars per share)	(0.13)	0.95	(0.16)	1.03
Net income per share (in dollars per share)	$ 0.28	$ 1.33	$ 0.53	$ 1.91
Weighted-average number of common shares outstanding — diluted (in shares)	46,289	46,545	46,370	46,408
Comprehensive income	$ 0.1	$ 61.3	$ 14.5	$ 90.8