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Income taxes - Additional Information (Detail) (USD $)
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3 Months Ended | 9 Months Ended | ||
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Mar. 31, 2013
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Mar. 31, 2012
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Mar. 31, 2013
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Mar. 31, 2012
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| Income Taxes [Line Items] | ||||
| Effective income tax rate of consolidated earnings before income taxes | 25.50% | 26.50% | 29.80% | 30.00% |
| Research and development tax credit | $ 1,200,000 | $ 1,200,000 | $ 430,000.0 | |
| Income tax expense due to foreign source income | (1,100,000) | 379,000 | (500,000) | 862,000 |
| Decrease in income taxes due to reversal of deferred tax valuation allowance | $ 3,000,000 | $ 3,000,000 | ||
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- Definition
Current US income tax expense or benefit from foreign source income. No definition available.
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- Details
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- Definition
A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to research tax credits generated or utilized under enacted tax laws during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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