Reportable Segments - Summary of Segment Data (Detail) - USD ($) $ in Millions	3 Months Ended
	Apr. 01, 2022	Mar. 26, 2021	Dec. 31, 2021
Revenues:
Revenues	$ 564.1	$ 417.6
Gross profit:
Total segment gross profit	113.7	86.9
Operating profit:
Consolidated income from operations	45.7	40.4
ASSETS
Total segment assets	2,011.6		$ 2,025.4
Products [Member]
Revenues:
Revenues	486.8	345.6
Gross profit:
Total segment gross profit	87.3	62.0
Operating profit:
Consolidated income from operations	37.6	34.2
ASSETS
Total segment assets	1,736.4		1,757.6
SSB [Member]
Revenues:
Revenues	77.3	72.0
Gross profit:
Total segment gross profit	26.4	24.9
Operating profit:
Consolidated income from operations	8.1	$ 6.2
ASSETS
Total segment assets	$ 275.2		$ 267.8