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Income taxes (Detail)
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3 Months Ended | 6 Months Ended | ||
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Jan. 31, 2013
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Jan. 31, 2012
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Jan. 31, 2013
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Jan. 31, 2012
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| Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate | 3.10% | 3.60% | 2.50% | 3.70% |
| Effective Income Tax Rate Reconciliation, State and Local Income Taxes | 34.00% | |||
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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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- Definition
The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense or benefit, net of the federal tax benefit (expense) thereon, recorded during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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