Leases (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Dec. 30, 2018	Dec. 29, 2018
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset	$ 210.5		$ 228.0	$ 0.0
Operating Leases, Rent Expense		$ 14.6
Sublease income	$ 0.3	$ 0.2
Remaining Term of Contract ( in years )	8 years 4 months 24 days
Option to Terminate ( in years )	1 year
Property, plant and equipment, net				6.7
Capital Lease 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