Revenue From Contracts With Customers Disaggrated Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Revenue	$ 394.9	$ 599.4
Active Group
Revenue	289.8	385.9
Work Group
Revenue	90.1	114.5
Other [Member]
Revenue	15.0	99.0
Wholesale Channel [Member]
Revenue	288.5	472.9
Wholesale Channel [Member] | Active Group
Revenue	196.2	291.0
Wholesale Channel [Member] | Work Group
Revenue	81.3	103.3
Wholesale Channel [Member] | Other [Member]
Revenue	11.0	78.6
Consumer-Direct Channel [Member]
Revenue	106.4	126.5
Consumer-Direct Channel [Member] | Active Group
Revenue	93.6	94.9
Consumer-Direct Channel [Member] | Work Group
Revenue	8.8	11.2
Consumer-Direct Channel [Member] | Other [Member]
Revenue	$ 4.0	$ 20.4