Retirement Plans - Schedule of Components of Net Periodic Pension Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Benefit Plans [Line Items]
Service cost	$ 1.0	$ 0.8	$ 0.8
Interest cost	0.4	0.5	0.4
Expected return on plan assets	(0.6)	(0.5)	(0.5)
Curtailment gain	(0.3)
Recognized net gain due to settlement			(0.3)
Net periodic pension (benefit) cost	0.5	0.8	0.4
U.S.
Benefit Plans [Line Items]
Service cost	0.0	0.0	0.0
Interest cost	0.3	0.3	0.3
Expected return on plan assets	(0.5)	(0.5)	(0.5)
Curtailment gain	0.0
Recognized net gain due to settlement			0.0
Net periodic pension (benefit) cost	(0.2)	(0.2)	(0.2)
International
Benefit Plans [Line Items]
Service cost	1.0	0.8	0.8
Interest cost	0.1	0.2	0.1
Expected return on plan assets	(0.1)	0.0	0.0
Curtailment gain	(0.3)
Recognized net gain due to settlement			(0.3)
Net periodic pension (benefit) cost	$ 0.7	$ 1.0	$ 0.6