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Income Taxes - Additional Information Regarding Examinations (Detail)
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12 Months Ended |
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Jun. 30, 2014
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Internal Revenue Service (IRS) | Lower Limit
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| Income Tax Examination [Line Items] | |
| Tax years under audit | 2004 |
| Tax years subject to examination | 2007 |
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Internal Revenue Service (IRS) | Upper Limit
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| Income Tax Examination [Line Items] | |
| Tax years under audit | 2006 |
| Tax years subject to examination | 2013 |
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Foreign Country | Lower Limit
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| Income Tax Examination [Line Items] | |
| Tax years subject to examination | 1996 |
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Foreign Country | Upper Limit
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| Income Tax Examination [Line Items] | |
| Tax years subject to examination | 2013 |