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Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Dec. 27, 2014
Commitments And Contingencies [Line Items]
2015	$ 475esca_RoyaltyAndLicenseFutureMinimumPaymentsDueCurrent
2016	460esca_RoyaltyAndLicenseFutureMinimumPaymentsDueInTwoYears
2017	460esca_RoyaltyAndLicenseFutureMinimumPaymentsDueInThreeYears
2018	375esca_RoyaltyAndLicenseFutureMinimumPaymentsDueInFourYears
2019	0esca_RoyaltyAndLicenseFutureMinimumPaymentsDueInFiveYears
Thereafter	0esca_RoyaltyAndLicenseFutureMinimumPaymentsDueThereafter
Royalty And License Future Minimum Payments Due	$ 1,770esca_RoyaltyAndLicenseFutureMinimumPaymentsDue

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- Definition

Amount of required minimum rental payments for royalty and license having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

No definition available.

+ Details

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- Definition

Amount of required minimum payments maturing in the next fiscal year following the latest fiscal year for royalty and license having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

No definition available.

+ Details

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- Definition

Amount of required minimum payments maturing in the fifth fiscal year following the latest fiscal year for royalty and license having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

No definition available.

+ Details

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- Definition

Amount of required minimum payments maturing in the forth fiscal year following the latest fiscal year for royalty and license having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

No definition available.

+ Details

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- Definition

Amount of required minimum payments maturing in the third fiscal year following the latest fiscal year for royalty and license having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

No definition available.

+ Details

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- Definition

Amount of required minimum payments maturing in the second fiscal year following the latest fiscal year for royalty and license having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

No definition available.

+ Details

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- Definition

Amount of required minimum payments maturing after the fifth fiscal year following the latest fiscal year for royalty and license having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

No definition available.

+ Details

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