Segment Information - Segment Results (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Sales	$ 645.8	$ 637.2	$ 1,277.2	$ 1,249.8
Operating profit (loss)	65.2	83.3	156.7	178.4
Other income	0.3	0.3	0.6	0.6
Interest expense, net	(6.4)	(13.6)	(12.3)	(31.6)
Income before income taxes	59.1	70.0	145.0	147.4
Identifiable assets	6,461.0		6,461.0		$ 6,574.2
Other
Segment Reporting Information [Line Items]
Operating profit (loss)	(39.0)	(29.0)	(63.3)	(57.3)
Identifiable assets	546.3		546.3		1,117.7
Held for sale | Discontinued operations disposed of by sale
Segment Reporting Information [Line Items]
Held for Sale	4.1		4.1		12.2
Specialty Products & Technologies
Segment Reporting Information [Line Items]
Sales	407.7	386.2	804.8	752.7
Specialty Products & Technologies | Operating segments
Segment Reporting Information [Line Items]
Sales	407.7	386.2	804.8	752.7
Operating profit (loss)	74.0	71.7	144.3	150.1
Identifiable assets	3,347.0		3,347.0		3,498.2
Equipment & Consumables
Segment Reporting Information [Line Items]
Sales	238.1	251.0	472.4	497.1
Equipment & Consumables | Operating segments
Segment Reporting Information [Line Items]
Sales	238.1	251.0	472.4	497.1
Operating profit (loss)	30.2	$ 40.6	75.7	$ 85.6
Identifiable assets	$ 2,563.6		$ 2,563.6		$ 1,946.1