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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The current portion of the sum of the carrying values as of the balance sheet date of all debt and capital lease obligations. Also includes acquisition related liabilities recorded at fair value.

No definition available.

Name:	epiq_DebtCapitalLeaseAndAcquisitionRelatedLiabilitiesCurrent
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The long-term portion of the sum of the carrying values as of the balance sheet date of all debt and capital lease obligations. Also includes acquisition related liabilities recorded at fair value.

No definition available.

Name:	epiq_DebtCapitalLeaseAndAcquisitionRelatedLiabilitiesLongTerm
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Data Type:	xbrli:monetaryItemType
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Represents information pertaining to increase decrease in percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	epiq_DebtInstrumentBasisSpreadOnVariableRateIncreaseDecrease
Namespace Prefix:	epiq_
Data Type:	xbrli:pureItemType
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Period Type:	duration

The floor for the variable rate base of the debt instrument.

No definition available.

Name:	epiq_DebtInstrumentVariableRateBasisFloor
Namespace Prefix:	epiq_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Amount of increase in maximum borrowing capacity.

No definition available.

Name:	epiq_LineOfCreditIncreaseInMaximumBorrowingCapacity
Namespace Prefix:	epiq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Number of quarters for repayment of loan.

No definition available.

Name:	epiq_NumberOfQuarterlyRepayment
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Data Type:	xbrli:integerItemType
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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
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Data Type:	num:percentItemType
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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

No definition available.

Name:	us-gaap_DebtInstrumentDescriptionOfVariableRateBasis
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Data Type:	xbrli:stringItemType
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Face (par) amount of debt instrument at time of issuance.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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Data Type:	xbrli:monetaryItemType
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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.

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Amount of the required periodic payments applied to principal.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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Period Type:	instant

Weighted average interest rate of long-term debt outstanding.

No definition available.

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

Name:	us-gaap_LongtermDebtTypeAxis=epiq_SeniorSecuredCreditFacility2013Member
Namespace Prefix:
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Name:	us-gaap_LongtermDebtTypeAxis=epiq_SeniorSecuredTermLoanDueAugust2020Member
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_CapitalLeaseObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_LongtermDebtTypeAxis=epiq_AcquisitionRelatedLiabilitiesMember
Namespace Prefix:
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