SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND NATURE OF OPERATIONS (Details 2) (USD $) In Millions, unless otherwise specified	9 Months Ended
Sep. 30, 2013
Income Taxes
Tax benefit relating to the 2012 credits and a portion of 2013 tax credits	$ 0.4

Represents the amount of income tax expense (benefit) recognized during the period relating to tax credits.

No definition available.

Name:	epiq_IncomeTaxExpenseBenefitRelatingToTaxCredits
Namespace Prefix:	epiq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration