Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013	Jul. 31, 2013
Current assets:
Cash and cash equivalents	$ 105,076	$ 113,033
Accounts receivable, net of allowance for doubtful accounts of $595 and $598 as of October 31, 2013 and July 31, 2013, respectively	86,838	113,150
Inventory	118,830	116,280
Refundable and deferred income taxes	14,665	7,803
Other current assets	10,579	10,147
Total current assets	335,988	360,413
Property, plant, and equipment, net	111,725	110,983
Intangible assets, net	63,235	55,525
Goodwill	56,978	50,073
Deferred income taxes	4,476	5,439
Other assets	5,622	5,351
Total assets	578,024	587,784
Current liabilities:
Accounts payable	32,323	32,138
Accrued employee compensation and benefits	15,663	22,264
Accrued warranty	6,389	6,501
Accrued restructuring charges	2,156	2,848
Deferred revenue	10,732	9,218
Accrued income taxes		4,091
Other current liabilities	12,067	13,834
Total current liabilities	79,330	90,894
Long-term liabilities:
Accrued income taxes	4,579	5,031
Other long-term liabilities	11,973	5,463
Total long-term liabilities	16,552	10,494
Guarantees and commitments (Note 18)
Stockholders' equity:
Common stock, $0.05 par value; 30,000,000 shares authorized and 12,430,661 shares issued and outstanding as of October 31, 2013; 30,000,000 shares authorized and 12,235,416 shares issued and outstanding as of July 31, 2013	622	612
Capital in excess of par value	117,419	114,381
Retained earnings	353,878	362,255
Accumulated other comprehensive income	10,223	9,148
Total stockholders' equity	482,142	486,396
Total liabilities and stockholders' equity	$ 578,024	$ 587,784