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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 28, 2017	Jun. 29, 2016	Jun. 28, 2017	Jun. 29, 2016	Dec. 28, 2011
Income Tax Disclosure [Abstract]
Effective tax rate, percent	36.00%	(49.50%)	36.10%	120.70%
State jobs tax credits, percent		3.20%
Effective tax rate benefit, Pension Plan liquidation, amount				$ 2,100
Pension settlement loss	$ 0	$ (24,297)	$ 0	$ (24,297)
Tax benefit recognized with reversal of the valuation allowance					$ 7,200
Effective tax rate excluding the pension settlement, percent				35.80%

X

- 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 gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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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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