Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 29, 2018	Dec. 30, 2017
Intangibles And Other Assets Net [Line Items]
Intangibles not subject to amortization	$ 306.8	$ 288.6
Intangibles subject to amortization Cost	672.9	635.4
Total intangible assets	979.7	924.0
Intangible assets - Accumulated Amortization	240.5	172.9
Total	432.4	462.5
Total intangible assets - Net	739.2	751.1
Customer relationships
Intangibles And Other Assets Net [Line Items]
Intangibles subject to amortization Cost	603.1	583.4
Intangible assets - Accumulated Amortization	211.1	154.7
Total	392.0	428.7
Patents
Intangibles And Other Assets Net [Line Items]
Intangibles subject to amortization Cost	15.2	15.2
Intangible assets - Accumulated Amortization	2.5	1.0
Total	12.7	14.2
Software
Intangibles And Other Assets Net [Line Items]
Intangibles subject to amortization Cost	38.0	28.8
Intangible assets - Accumulated Amortization	20.5	13.0
Total	17.5	15.8
Other
Intangibles And Other Assets Net [Line Items]
Intangibles subject to amortization Cost	16.6	8.0
Intangible assets - Accumulated Amortization	6.4	4.2
Total	10.2	3.8
Rights
Intangibles And Other Assets Net [Line Items]
Intangibles not subject to amortization	24.5	24.5
Trademarks
Intangibles And Other Assets Net [Line Items]
Intangibles not subject to amortization	$ 282.3	$ 264.1