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Acquisition (Schedule Of Unaudited Pro Forma Information) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
9 Months Ended |
|---|---|
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Apr. 30, 2011
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| Acquisition [Abstract] | |
| Net sales | $ 2,046,862 |
| Net income | $ 72,512 |
| Basic earnings per common share | $ 1.30 |
| Diluted earnings per common share | $ 1.30 |