Leases - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 27, 2019 USD ($)	Sep. 27, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 23.2	$ 61.2
Cash paid for operating leases		53.4
ROU assets obtained in exchange for operating lease obligations	$ 13.5	$ 57.4
Lease term	8 years 4 months 24 days	8 years 4 months 24 days
Weighted average discount rate	3.20%	3.20%
Acquisitions, ASP
Lessee, Lease, Description [Line Items]
ROU assets obtained in exchange for operating lease obligations		$ 29.8
Maximum
Lessee, Lease, Description [Line Items]
Option to extend lease, period	15 years	15 years
Option to terminate lease, period		1 year