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Income Taxes - Narrative (Details)		3 Months Ended		6 Months Ended		12 Months Ended
		Apr. 14, 2019	Apr. 15, 2018	Apr. 14, 2019	Apr. 15, 2018	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		25.80%	29.40%	25.80%	29.10%	24.50%
Effective Income Tax Rate Reconciliation, Percent	[1]	25.00%	31.40%	24.00%	60.70%
[1] Percentages may not add due to rounding.

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

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

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