Intangible Assets, Net - Summary of Intangible Assets (Detail) - USD ($) $ in Millions	Sep. 28, 2019	Dec. 29, 2018
Intangibles And Other Assets Net [Line Items]
Not subject to amortization	$ 285.0	$ 306.8
Subject to amortization
Cost	697.5	672.9
Accumulated Amortization	286.1	240.5
Net	411.4	432.4
Cost	982.5	979.7
Net	696.4	739.2
Customer relationships
Subject to amortization
Cost	616.4	603.1
Accumulated Amortization	250.1	211.1
Net	366.3	392.0
Patents
Subject to amortization
Cost	15.2	15.2
Accumulated Amortization	3.7	2.5
Net	11.5	12.7
Software
Subject to amortization
Cost	49.0	38.0
Accumulated Amortization	24.7	20.5
Net	24.3	17.5
Other
Subject to amortization
Cost	16.9	16.6
Accumulated Amortization	7.6	6.4
Net	9.3	10.2
Trademarks
Intangibles And Other Assets Net [Line Items]
Not subject to amortization	285.0	282.3
Rights
Intangibles And Other Assets Net [Line Items]
Not subject to amortization	$ 0.0	$ 24.5