Leases - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 29, 2019	Jun. 29, 2019	Dec. 31, 2018
Disclosure of Leases [Line Items]
Operating lease, renewal term		can extend the lease term from one to five years or more.
Lease, cost	$ 11.1	$ 22.1
Total finance lease cost	5.2	10.4
Operating lease, cost	$ 5.9	$ 11.7
Weighted-average discount rate - finance leases	31.60%	31.60%
Capital leases, future minimum payments due			$ 154.8
Capital leases, future minimum payments due, next twelve months			17.7
Capital leases future minimum payments due in second third years			33.6
Capital leases future minimum payments due in fourth fifth years			30.0
Capital leases, future minimum payments due thereafter			73.4
Operating leases, future minimum payments due			128.6
Operating leases, future minimum payments due, next twelve months			31.8
Operating leases future minimum payments due in second third years			45.0
Operating leases future minimum payments due in fourth fifth years			28.4
Operating leases, future minimum payments, due thereafter			23.5
Capital leased assets, gross			$ 89.4
Cost of Sales [Member]
Disclosure of Leases [Line Items]
Finance lease, right-of-use asset, amortization	$ 2.4	$ 4.7
Operating lease, cost	5.3	11.1
Interest Expense [Member]
Disclosure of Leases [Line Items]
Finance lease, interest expense	2.8	5.7
Marketing, Administrative and Other Expenses [Member]
Disclosure of Leases [Line Items]
Operating lease, cost	$ 0.6	$ 0.6
Minimum [Member]
Disclosure of Leases [Line Items]
Operating lease, renewal period	1 year	1 year
Maximum [Member]
Disclosure of Leases [Line Items]
Operating lease, renewal period	5 years	5 years