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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended			12 Months Ended
	Jun. 29, 2016	Jul. 01, 2015	Jun. 29, 2016		Jul. 01, 2015	Dec. 28, 2011
Income Tax Disclosure [Abstract]
Effective tax rate, percent	(49.50%)	36.10%	120.70%		35.80%
State jobs tax credits, percent			3.20%		0.90%
Tax benefit recognized related to the settlement loss on the Pension Plan liquidation			$ 2,100
Pension settlement loss, pre-tax	$ 24,297	$ 0	$ 24,297	[1]	$ 0
Tax benefit recognized with reversal of the valuation allowance						$ 7,200
Effective tax rate excluding the pension settlement, percent			35.80%
[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 two quarters ended June 29, 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 expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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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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