| Intangible Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended | |
|---|---|---|---|
| Jun. 30, 2013 | Jun. 30, 2012 | Mar. 31, 2013 | |
| Goodwill And Intangible Assets [Line Items] | |||
| Increase in intangible assets | $ 0 | $ 6,826 | |
| Amortization expense, in cost of revenues | $ 461 | $ 58 | |
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- Definition Amortization of property, plant and equipment directly related to goods produced and sold and services rendered by an entity during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The increase (decrease) during the reporting period in intangible assets (for example patents and licenses). Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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