Name:	esca_AmortizationOfGoodwill
Namespace Prefix:	esca_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount refers to amortization adjustment of goodwill, before tax effect.

No definition available.

Name:	esca_GoodwillAmortizationAdjustments
Namespace Prefix:	esca_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount refers to amortization adjustment of goodwill, tax effect.

No definition available.

Name:	esca_GoodwillAmortizationAdjustmentsTax
Namespace Prefix:	esca_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.