Borrowings (Details)	12 Months Ended
Dec. 27, 2014
Category 1 [Member]
Debt Instrument, Redemption [Line Items]
Funded Debt to Adjusted EBITDA Ratio	Greater than or equal to 2.50 to 1.0
Revolving Eurodollar Borrowing	2.50%
Term Eurodollar Borrowing	2.75%
ABR Revolving borrowing	0.50%
ABR Term Borrowing	0.75%
Letter Of Credit Fee	2.50%
Commitment Fee	0.45%
Category 2 [Member]
Debt Instrument, Redemption [Line Items]
Funded Debt to Adjusted EBITDA Ratio	Greater than or equal to 2.25 to 1.0 but less than 2.50 to 1.0
Revolving Eurodollar Borrowing	2.25%
Term Eurodollar Borrowing	2.50%
ABR Revolving borrowing	0.25%
ABR Term Borrowing	0.50%
Letter Of Credit Fee	2.25%
Commitment Fee	0.40%
Category 3 [Member]
Debt Instrument, Redemption [Line Items]
Funded Debt to Adjusted EBITDA Ratio	Greater than or equal to 2.00 to 1.0 but less than 2.50 to 1.0
Revolving Eurodollar Borrowing	2.00%
Term Eurodollar Borrowing	2.25%
ABR Revolving borrowing	0.00%
ABR Term Borrowing	0.25%
Letter Of Credit Fee	2.00%
Commitment Fee	0.35%
Category 4 [Member]
Debt Instrument, Redemption [Line Items]
Funded Debt to Adjusted EBITDA Ratio	Greater than or equal to 1.75 to 1.0 but less than 2.00 to 1.0
Revolving Eurodollar Borrowing	1.75%
Term Eurodollar Borrowing	2.00%
ABR Revolving borrowing	(0.25%)
ABR Term Borrowing	0.00%
Letter Of Credit Fee	1.75%
Commitment Fee	0.30%
Category 5 [Member]
Debt Instrument, Redemption [Line Items]
Funded Debt to Adjusted EBITDA Ratio	Less than 1.75 to 1.0
Revolving Eurodollar Borrowing	1.50%
Term Eurodollar Borrowing	1.75%
ABR Revolving borrowing	(0.50%)
ABR Term Borrowing	(0.25%)
Letter Of Credit Fee	1.50%
Commitment Fee	0.30%

Percentage of applicable base rate revolving borrowing facility during the period.

No definition available.

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Period Type:	duration

- Definition

Percentage of applicable base rate borrowing term during the reporting period.

+ References

No definition available.

+ Details

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Namespace Prefix:	esca_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage of the commitment made during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	esca_
Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Description of the funded debt to adjusted EBITDA ratio during the period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Definition

The fee, expressed as a percentage of the letter of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Revolving Eurodollar borrowing term expressed as a percentage during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	esca_
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- Definition

Eurodollar borrowing term expressed as a percentage during the period.

+ References

No definition available.

+ Details

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- Details

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