Revenue - Schedule of Revenue to External Customers (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Disaggregation of Revenue [Line Items]
Total	$ 584.6	$ 550.8	$ 1,682.1	$ 1,555.3
United States
Disaggregation of Revenue [Line Items]
Total	428.8	395.2	1,230.4	1,123.2
United Kingdom
Disaggregation of Revenue [Line Items]
Total	35.0	40.1	109.8	115.0
Canada
Disaggregation of Revenue [Line Items]
Total	18.2	18.5	50.7	53.0
All other countries
Disaggregation of Revenue [Line Items]
Total	$ 102.6	$ 97.0	$ 291.2	$ 264.1