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Summary Of Significant Accounting Policies (Summary Of Estimated Useful Lives Of Assets) (Detail)
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12 Months Ended |
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Jun. 30, 2012
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Building [Member]
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| Schedule Of Significant Accounting Policies [Line Items] | |
| Estimated useful lives of assets | 10 years |
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Minimum [Member] | Equipment [Member]
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| Schedule Of Significant Accounting Policies [Line Items] | |
| Estimated useful lives of assets | 3 years |
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Minimum [Member] | Furniture and Fixtures [Member]
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| Schedule Of Significant Accounting Policies [Line Items] | |
| Estimated useful lives of assets | 3 years |
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Maximum [Member] | Equipment [Member]
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| Schedule Of Significant Accounting Policies [Line Items] | |
| Estimated useful lives of assets | 5 years |
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Maximum [Member] | Furniture and Fixtures [Member]
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| Schedule Of Significant Accounting Policies [Line Items] | |
| Estimated useful lives of assets | 7 years |