Leases - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 29, 2020	Jan. 02, 2022	Jan. 03, 2021
Lessee, Lease, Description [Line Items]
Leases, remaining lease term (years)	15 years
Operating lease right-of-use assets		$ 75.8	$ 83.2
Operating lease current liabilities		17.5	19.6
Operating lease noncurrent liabilities		$ 61.4	$ 67.5
Operating lease, weighted average discount rate, percent	4.80%	4.90%	5.10%
Sale of Main Headquarters
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 37.6
Operating lease current liabilities	1.2
Operating lease noncurrent liabilities	$ 36.1
Minimum
Lessee, Lease, Description [Line Items]
Leases, remaining lease term (years)		1 year
Maximum
Lessee, Lease, Description [Line Items]
Leases, remaining lease term (years)		10 years