Leases - Weighted Average (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 29, 2019 USD ($)	Sep. 29, 2019 USD ($)
Leases [Abstract]
Operating lease liabilities arising from obtaining right-of-use assets, including impact of ASC 842 adoption	$ 4.3	$ 60.1
Finance lease liabilities arising from obtaining right-of-use assets, including impact of ASC 842 adoption	$ 0.0	$ 39.6
Weighted-average remaining lease term (in years):
Operating leases	5 years 9 months 14 days	5 years 9 months 14 days
Finance leases	19 years 2 months 1 day	19 years 2 months 1 day
Weighted-average discount rate:
Operating leases	6.50%	6.50%
Finance leases	6.53%	6.53%