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Quarterly Information (Tables)

12 Months Ended

Jul. 31, 2012

Quarterly Financial Information Disclosure [Abstract]

Schedule of quarterly financial information

	Fiscal Quarter
Fiscal Year 2012	First		Second		Third		Fourth
Revenues	$	225,626	$	227,904	$	244,105	$	226,556
Operating income	$	65,376	$	63,539	$	87,944	$	69,494
Income before income taxes	$	63,815	$	62,216	$	84,547	$	67,478
Net income	$	41,149	$	40,603	$	55,471	$	44,896
Basic net income per share	$	0.32	$	0.32	$	0.44	$	0.36
Diluted net income per share	$	0.31	$	0.31	$	0.43	$	0.35

	Fiscal Quarter
Fiscal Year 2011⁽²⁾	First		Second		Third		Fourth
Revenues	$	212,667	$	207,380	$	236,755	$	215,443
Operating income	$	59,594	$	60,195	$	82,044	$	63,456
Income before income taxes	$	60,163	$	60,717	$	80,350	$	62,645
Net income	$	37,823	$	37,893	$	50,136	$	40,521
Basic net income per share	$	0.23	$	0.24	$	0.36	$	0.30
Diluted net income per share	$	0.23	$	0.23	$	0.35	$	0.29

(1)

Earnings per share were computed independently for each of the periods presented; therefore, the sum of the earnings per share amounts for the quarters may not equal the total for the year.

(2)

Fiscal 2011 results are impacted from the adoption of ASU 2009-13.

(3)

All per share amounts have been revised to reflect the impact of the two-for-one stock split effected in the form of a stock dividend, which issued one additional share of common stock to each share of common stock outstanding on March 23, 2012.