Unaudited Quarterly Financial Data

12 Months Ended

Jul. 31, 2011

Quarterly Financial Information Disclosure [Abstract]

Unaudited Quarterly Financial Data

(18) Unaudited Quarterly Financial Data

The following is a summary of unaudited quarterly operating results:

Fiscal 2011	First Quarter	Second Quarter	Third Quarter	Fourth Quarter	Total
Net sales	$  178,160,000	162,811,000	131,081,000	140,327,000	612,379,000
Gross profit	64,234,000	60,910,000	56,971,000	58,931,000	241,046,000
Net income	25,656,000	16,096,000	14,255,000	11,888,000	67,895,000
Diluted income per share	0.79	0.52	0.47	0.42	2.22*

Fiscal 2010	First Quarter	Second Quarter	Third Quarter	Fourth Quarter	Total
Net sales	$  133,816,000	171,132,000	216,303,000	256,954,000	778,205,000
Gross profit	49,774,000	63,501,000	74,791,000	82,532,000	270,598,000
Net income	9,032,000	16,333,000	21,796,000	13,469,000	60,630,000
Diluted income per share	0.30	0.51	0.67	0.43	1.91*

Fiscal 2009	First Quarter	Second Quarter	Third Quarter	Fourth Quarter	Total
Net sales	$  191,915,000	143,886,000	128,545,000	122,026,000	586,372,000
Gross profit	86,979,000	59,477,000	47,505,000	46,939,000	240,900,000
Net income	21,641,000	12,096,000	7,610,000	6,178,000	47,525,000
Diluted income per share	0.80	0.46	0.27	0.21	1.73*

*  Income per share information for the full fiscal year may not equal the total of the quarters within the year.