Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2015	Jul. 31, 2014
Current assets:
Cash and cash equivalents	$ 123,800	$ 114,540
Accounts receivable, net of allowance for doubtful accounts of $1,220 and $800 as of July 31, 2015 and July 31, 2014, respectively	119,301	106,436
Inventory	132,712	124,777
Refundable and deferred income taxes	20,621	18,599
Other current assets	8,131	9,422
Total current assets	404,565	373,774
Property, plant, and equipment, net	106,299	114,165
Intangible assets, net	49,499	57,366
Goodwill	57,450	56,955
Deferred income taxes	5,308	7,475
Other assets	4,849	4,607
Total assets	627,970	614,342
Current liabilities:
Accounts payable	30,493	37,241
Accrued employee compensation and benefits	22,830	16,305
Accrued federal income tax	4,100
Accrued warranty	6,571	5,968
Accrued restructuring charges	580	3,431
Deferred revenue	5,200	10,761
Customer deposits	3,991	3,046
Other current liabilities	6,029	7,761
Total current liabilities	79,794	84,513
Long-term liabilities:
Accrued income taxes	2,531	5,211
Deferred income taxes	3,391	2,657
Other long-term liabilities	10,844	9,381
Total long-term liabilities	$ 16,766	$ 17,249
Guarantees, commitments and contingencies (Notes 11 and 12)
Stockholders' equity:
Common stock, $0.05 par value; 30,000,000 shares authorized and 12,434,017 shares issued and outstanding as of July 31, 2015; 30,000,000 shares authorized and 12,372,992 shares issued and outstanding as of July 31, 2014	$ 621	$ 619
Capital in excess of par value	140,538	125,679
Retained earnings	394,757	378,477
Accumulated other comprehensive income (loss)	(4,506)	7,805
Total stockholders' equity	531,410	512,580
Total liabilities and stockholders' equity	$ 627,970	$ 614,342