Income Taxes - Deferred Taxes (Details) - USD ($) $ in Millions	Jan. 01, 2017	Jan. 03, 2016
Components of Deferred Tax Assets and Liabilities
Depreciation and amortization	$ (14.6)	$ (14.3)
Employee compensation and benefit plans	75.5	70.6
Workers’ compensation	22.4	21.4
Unrealized gain on securities	(33.6)	(36.7)
Investment in equity affiliate	(22.7)	4.0
Loss carryforwards	36.4	40.6
Credit carryforwards	121.2	113.4
Other, net	3.5	4.1
Valuation allowance	(42.1)	(50.9)
Net deferred tax assets	$ 146.0	$ 152.2

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

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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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 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 of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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