Acquisitions - Business Combination Transfer Consideration (Detail) € in Millions, $ in Millions				12 Months Ended
	Aug. 11, 2016 USD ($)	Aug. 02, 2016 USD ($)	Aug. 02, 2016 EUR (€)	Dec. 30, 2017 USD ($)
S&D Acquisition [Member]
Business Acquisition [Line Items]
Cash paid to sellers				$ 232.1
Cash paid on behalf of sellers for sellers' transaction expenses				84.2
Cash paid to retire outstanding debt on behalf of sellers				37.8
Working capital settlement	$ (0.5)			(0.5)
Total consideration	$ 354.1			353.6
Eden Acquisition [Member]
Business Acquisition [Line Items]
Cash paid to sellers				86.5
Cash paid on behalf of sellers to retire outstanding indebtedness				420.2
Cash paid to retire sellers financing payables, net				71.8
Working capital settlement		$ (2.2)	€ (2.0)	(2.2)
Total consideration		$ 578.5	€ 517.9	$ 576.3