XML 26 R31.htm IDEA: XBRL DOCUMENT v2.4.1.9

Note 5 (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Dec. 27, 2014	Dec. 28, 2013
Note 5 (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	97,975us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value		$ 15.21us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Five Year Options [Member]
Note 5 (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Volatility Calculation, Term	49 months
Ten Year Options [Member]
Note 5 (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Volatility Calculation, Term	10 years
Scenario, Forecast [Member]
Note 5 (Details) [Line Items]
Anticipated Share Based Compensation Net Of Tax Benefits	2.1jjsf_AnticipatedShareBasedCompensationNetOfTaxBenefits / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
Anticipated Share Based Compensation Per Share	0.11jjsf_AnticipatedShareBasedCompensationPerShare / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember

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- Definition

Represents share-based compensation arrangement by share-based payment award, fair value assumptions, volatility calculation, term.

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- Definition

Gross number of share options (or share units) granted during the period.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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