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Accrued Core Payment | 12 Months Ended
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Mar. 31, 2016
Accrued Core Payment [Abstract] |
Accrued Core Payment | 10. Accrued Core Payment At March 31, 2016 and 2015, the Company recorded $26,539,000 and $37,070,000, respectively, representing the net accrued core payments for the cores purchased from its customers, which are held by these customers and remain on their premises. Future repayments for accrued core payments are as follows:
Year Ending March 31, |  |  |
2017 |  | $ | 9,536,000 |
2018 |  |  | 9,442,000 |
2019 |  |  | 8,567,000 |
Total accrued core payments |  |  | 27,545,000 |
Less amount representing interest |  |  | (1,006,000 | )
Present value of accrued core payments |  |  | 26,539,000 |
Less current portion of accrued core payments |  |  | (8,989,000 | )
Long-term portion of accrued core payments |  | $ | 17,550,000 |

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- References No definition available. + Details
Name: | mpaa_AccruedCorePaymentAbstract
Namespace Prefix: | mpaa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The entire disclosure for information about accrued core payments for cores the entity purchases from its customers and held by these customers. + References No definition available. + Details
Name: | mpaa_AccruedCorePaymentTextBlock
Namespace Prefix: | mpaa_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration