XML 96 R72.htm IDEA: XBRL DOCUMENT v3.8.0.1

Note M - 401(k) Profit-sharing Plan (Details Textual) - USD ($)	12 Months Ended
	Sep. 30, 2017	Sep. 24, 2016	Sep. 26, 2015
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 2,084,000	$ 1,936,000	$ 1,836,000

X

- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration