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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
	Apr. 30, 2011
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

- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details

- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details