Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 24, 2016	Sep. 26, 2015	Sep. 27, 2014
Income Tax Reconciliation [Abstract]
Income tax provision at federal statutory tax rate	$ 5,260	$ 29,768	$ 33,346
Impact of Partnership income not subject to federal income taxes	(9,844)	(32,148)	(38,919)
Permanent differences	182	210	86
Change in valuation allowance	4,737	2,181	5,458
State income taxes	(211)	253	(60)
Other	464	436	856
Provision for income taxes - current and deferred	$ 588	$ 700	$ 767

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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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 increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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