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License Agreements (Details) (USD $)
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3 Months Ended | 6 Months Ended | ||
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Mar. 28, 2015
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Mar. 29, 2014
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Mar. 28, 2015
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Mar. 29, 2014
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| Commitments and Contingencies [Abstract] | ||||
| Royalty expense | $ 2,200,000us-gaap_RoyaltyExpense | $ 2,000,000us-gaap_RoyaltyExpense | $ 4,400,000us-gaap_RoyaltyExpense | $ 4,400,000us-gaap_RoyaltyExpense |
| License Agreements, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] | ||||
| 2015 | 738,000dla_LicenseAgreementsFutureMinimumPaymentsDueCurrent | 738,000dla_LicenseAgreementsFutureMinimumPaymentsDueCurrent | ||
| 2016 | 2,585,000dla_LicenseAgreementsFutureMinimumPaymentsDueInTwoYears | 2,585,000dla_LicenseAgreementsFutureMinimumPaymentsDueInTwoYears | ||
| 2017 | 33,000dla_LicenseAgreementsFutureMinimumPaymentsDueInThreeYears | 33,000dla_LicenseAgreementsFutureMinimumPaymentsDueInThreeYears | ||
| 2018 | 0dla_LicenseAgreementsFutureMinimumPaymentsDueInFourYears | 0dla_LicenseAgreementsFutureMinimumPaymentsDueInFourYears | ||
| Total due | $ 3,356,000dla_LicenseAgreementsFutureMinimumPaymentsDue | $ 3,356,000dla_LicenseAgreementsFutureMinimumPaymentsDue | ||
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- Definition
License Agreements, Future Minimum Payments Due No definition available.
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- Definition
License Agreements, Future Minimum Payments Due, Current No definition available.
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License Agreements, Future Minimum Payments, Due In Four Years No definition available.
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License Agreements, Future Minimum Payments, Due In Three Years No definition available.
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License Agreements, Future Minimum Payments, Due In Two Years No definition available.
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- Definition
Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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