Fair Value Measurements (Unobservable Input Reconciliation) (Details) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended | ||
---|---|---|---|
Mar. 31, 2015
|
Mar. 31, 2014
|
Jun. 30, 2014
|
|
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
Fiscal year opening balance | $ 1,852us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent | ||
Accretion expense of contingent consideration payable | (36)us-gaap_AccretionExpense | (234)us-gaap_AccretionExpense | |
Fair value revision of contingent consideration payable | (1,888)mpet_FairValueRevisionofContingentConsiderationPayable | 0mpet_FairValueRevisionofContingentConsiderationPayable | |
Ending balance | 0us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent | ||
Recurring | Level 3 | |||
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |||
Business Combination, Contingent Consideration, Liability |
1,852us-gaap_BusinessCombinationContingentConsiderationLiability / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
||
Accretion expense of contingent consideration payable |
(36)us-gaap_AccretionExpense / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
||
Fair value revision of contingent consideration payable |
(1,888)mpet_FairValueRevisionofContingentConsiderationPayable / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
||
Ending balance |
$ 0us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
X | ||||||||||
- Definition
Fair Value Revision of Contingent Consideration Payable No definition available.
|
X | ||||||||||
- Definition
Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Definition
Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|