Income Taxes - Differences Between Federal Income Tax Rate and Effective Income Tax Rate (Details)	12 Months Ended
Sep. 30, 2016	Sep. 25, 2015	Sep. 26, 2014
Income Tax Disclosure [Abstract]
Statutory federal tax	35.00%	35.00%	35.00%
Adjustments to reconcile to the effective income tax rate:
State income taxes	5.00%	1.00%	2.00%
Nondeductible expenses	2.00%	(7.00%)	(1.00%)
Valuation allowance	1.00%	(15.00%)	0.00%
Foreign rate differential	(2.00%)	3.00%	0.00%
U.S. tax effects of unremitted foreign earnings	0.00%	0.00%	2.00%
Nondeductible goodwill impairment	0.00%	0.00%	(11.00%)
Domestic Manufacturing Deduction	(3.00%)	(0.00%)	(0.00%)
Finalization of Federal audits	0.00%	0.00%	4.00%
Prior period adjustments	0.00%	(2.00%)	0.00%
Indemnified uncertain tax benefits	(5.00%)	22.00%	(0.00%)
Other	(1.00%)	0.00%	0.00%
Effective income tax rate	32.00%	37.00%	31.00%

Effective Income Tax Rate Reconciliation, Indemnified Uncertain Tax Benefits, Percent

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Effective Income Tax Rate Reconciliation, Unremitted Foreign Earnings, Percent

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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 domestic federal statutory tax rate applicable to pretax income (loss).

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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 changes in the valuation allowance for deferred tax assets.

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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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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