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Stock Compensation Plans (Details 4) (USD $)	12 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares	344,375us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	639,950us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	692,875us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	984,649us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Options Exercisable, Number of Shares	158,875us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	198,825us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	192,625us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Range Of Exercise Prices 2.56 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares	8,625us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices256Member
Options Outstanding, Weighted-Average Remaining Contractual Life	2 months 12 days
Options Outstanding, Weighted-Average Exercise Price	$ 2.56us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices256Member
Options Exercisable, Number of Shares	8,625us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices256Member
Options Exercisable, Weighted-Average Exercise Price	$ 2.56us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices256Member
Range Of Exercise Prices 5.28-5.66 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares	116,750us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices528566Member
Options Outstanding, Weighted-Average Remaining Contractual Life	2 years 2 months 12 days
Options Outstanding, Weighted-Average Exercise Price	$ 5.29us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices528566Member
Options Exercisable, Number of Shares	50,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices528566Member
Options Exercisable, Weighted-Average Exercise Price	$ 5.30us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices528566Member
Range Of Exercise Prices 5.85-6.06 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares	97,875us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices585606Member
Options Outstanding, Weighted-Average Remaining Contractual Life	3 years 2 months 12 days
Options Outstanding, Weighted-Average Exercise Price	$ 5.86us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices585606Member
Options Exercisable, Number of Shares	34,875us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices585606Member
Options Exercisable, Weighted-Average Exercise Price	$ 5.90us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices585606Member
Range Of Exercise Prices 6.07 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares	96,125us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices607Member
Options Outstanding, Weighted-Average Remaining Contractual Life	1 year 2 months 12 days
Options Outstanding, Weighted-Average Exercise Price	$ 6.07us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices607Member
Options Exercisable, Number of Shares	65,375us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices607Member
Options Exercisable, Weighted-Average Exercise Price	$ 6.07us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices607Member
Range Of Exercise Prices 11.86 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number of Shares	25,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices1186Member
Options Outstanding, Weighted-Average Remaining Contractual Life	4 years 2 months 12 days
Options Outstanding, Weighted-Average Exercise Price	$ 11.86us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / esca_RangeOfExercisePricesAxis = esca_RangeOfExercisePrices1186Member

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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-Publisher FASB

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-Topic 718

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+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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



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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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