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Income taxes - Additional Information (Detail)
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12 Months Ended | 12 Months Ended | |||
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Jun. 30, 2012
USD ($)
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Jun. 30, 2010
USD ($)
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Jun. 30, 2011
USD ($)
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Jun. 30, 2010
R&D Europe
USD ($)
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Jun. 30, 2010
R&D Europe
GBP (£)
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| Income Taxes [Line Items] | |||||
| Federal statutory tax rate | 35.00% | ||||
| Dividend declared and paid to Company by subsidiary | $ 74,400,000 | £ 50,000,000 | |||
| Foreign currency exchange transaction loss | 12,800,000 | ||||
| Foreign currency exchange transaction loss, reduction in income tax expense | 4,700,000 | ||||
| Undistributed earnings of Company's foreign subsidiaries | 144,000,000 | ||||
| Unrecognized tax benefits that would affect the effective tax rate if recognized | $ 2,000 | $ 5,000 | $ 3,000 | ||
| X | ||||||||||
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- Definition
Foreign currency exchange loss recognized for tax purposes due to the repatriation of funds. No definition available.
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| X | ||||||||||
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- Definition
Tax benefit of the foreign currency loss recognized for tax purposes due to the repatriation of funds. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
This element represents disclosure of the aggregate cash dividends paid to the entity by consolidated subsidiaries. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the United States that are not subject to U.S. federal income taxes. No definition available.
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| X | ||||||||||
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- Definition
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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