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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended			12 Months Ended
	Sep. 28, 2016	Sep. 30, 2015	Sep. 28, 2016		Sep. 30, 2015	Dec. 28, 2011
Income Tax Disclosure [Abstract]
Effective tax rate, percent	35.20%	30.10%	64.20%		34.00%
Effective tax rate benefit, foreign tax credits, percent	4.80%		4.60%
Effective tax rate increase, certain discrete items, percent	4.30%		4.70%
Effective tax rate benefit, Pension Plan liquidation, amount			$ 2,100
Pension settlement loss, pre-tax	$ 0	$ 0	$ 24,297	[1]	$ 0
Tax benefit recognized with reversal of the valuation allowance						$ 7,200
Effective tax rate excluding the pension settlement, percent			35.60%
[1] Before-tax amount related to the liquidation of our Pension Plan that was reclassified from accumulated other comprehensive loss and included as a component of operating (gains), losses and other charges, net in our Condensed Consolidated Statements of Income during the three quarters ended September 28, 2016. See Note 9 for additional details.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations, excluding the pension settlement.

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Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of the difference, between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, that is attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority interest income (expense), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, change in enacted tax rate, prior year income taxes, change in deferred tax asset valuation allowance, and other adjustments.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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