Leases - Operating Lease Disclosure (Details) $ in Millions	12 Months Ended
	Jan. 03, 2020 USD ($)
Leases [Abstract]
Operating cash flows from operating leases (1)	$ 37.9	[1]
Right-of-use assets obtained in exchange for Operating lease liabilities:	53.2
Operating Lease, Right-of-Use Asset	140.3
Other current liabilities	28.9
Operating lease liabilities	114.1
Total operating lease liabilities	$ 143.0
Weighted-average discount rate	4.23%
Weighted-average remaining lease term	6 years

[1] Excludes cash payments for short-term leases, which are not capitalized.