Intangible assets and goodwill - Additional Information (Detail) (USD $) |
3 Months Ended | |
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Sep. 30, 2011 |
Sep. 30, 2010 |
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Cost of Sales |
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| Finite-Lived Intangible Assets [Line Items] | ||
| Amortization expense of intangible assets | $ 764,000 | $ 109,000 |
Selling, General and Administrative Expense |
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| Finite-Lived Intangible Assets [Line Items] | ||
| Amortization expense of intangible assets | $ 521,000 | $ 61,000 |
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- Definition Aggregate amount of intangible asset amortization recognized as expense during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition 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.
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