Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Components of Deferred Tax Assets and Liabilities [Abstract]
Inventories	$ 41.4	$ 34.7	$ 33.6
Accruals not currently deductible	75.1	62.4	72.9
Tax credit carryforward	2.4	2.0	1.8
Employee benefits	32.4	41.3	56.5
Net operating losses	37.1	40.4	40.9
Depreciation and amortization	(192.0)	(178.9)	(167.5)
Valuation allowance	(26.7)	(27.8)	(25.1)
Equity-based compensation	14.3	16.2	16.6
Undistributed non-U.S. earnings	(5.4)	(6.6)	(6.0)
Other	1.3
Other		(0.7)	(0.4)
Net deferred income tax asset			$ 23.3
Net deferred income tax liabilities	$ (20.1)	$ (17.0)

Deferred tax assets net operating loss noncurrent

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Deferred Tax Liabilities, Depreciation And Amortization

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from employee benefits, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves, classified as other.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences classified as other.

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences.

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