Leases - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Lessee, Lease, Description [Line Items]
Remaining term of contract ( in years )	7 years 9 months 18 days
Option to terminate ( in years )	1 year
Operating leases, rent expense		$ 63.2	$ 54.3
Sublease income	$ 0.8	0.9
Capital leases		6.7
Capital leases, accumulated depreciation		$ 1.0
Minimum
Lessee, Lease, Description [Line Items]
Remaining term of contract ( in years )	1 year
Renewal term ( in years )	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining term of contract ( in years )	22 years
Renewal term ( in years )	10 years