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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Income Tax Disclosure [Abstract]
Inventories	$ 28.8	$ 33.3	$ 29.4
Accruals not currently deductible	61.7	77.7	71.1
Tax credit carryforward	2.1	15.1	10.2
Employee benefits	56.8	108.1	101.2
Net operating losses	44.0	42.8	44.4
Depreciation and amortization	(161.3)	(209.8)	(199.3)
Valuation allowance	(25.2)	(21.7)	(32.0)
Equity-based compensation	17.1	24.3	22.7
Cash flow hedge	(0.3)	(5.5)
Other	(0.1)	(4.6)	(1.6)
Net deferred income tax asset	$ 23.6	$ 59.7	$ 46.1

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