Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 31, 2017	Jul. 31, 2016
Current assets:
Cash and cash equivalents	$ 152,990	$ 118,697
Accounts receivable, net of allowance for doubtful accounts of $1,091 and $1,070 as of January 31, 2017 and July 31, 2016, respectively	91,581	112,412
Inventory	143,800	145,513
Income tax receivable	3,042	3,004
Prepaid expenses and other current assets	10,360	9,178
Total current assets	401,773	388,804
Property, plant, and equipment, net	106,652	107,790
Intangible assets, net	40,644	45,194
Goodwill	64,105	73,915
Deferred income taxes	10,733	10,671
Other assets	4,536	6,523
Total assets	628,443	632,897
Current liabilities:
Accounts payable	30,063	28,575
Accrued employee compensation and benefits	16,968	18,108
Accrued income tax	722	1,610
Accrued warranty	6,060	6,296
Accrued restructuring charges	1,462	5,248
Deferred revenue	4,353	5,359
Customer deposits	4,193	3,476
Contingent consideration	3,096	4,534
Other current liabilities	4,232	5,261
Total current liabilities	71,149	78,467
Long-term liabilities:
Accrued income taxes, net of current portion	2,351	2,174
Contingent consideration, net of current portion	1,040	7,705
Other long-term liabilities	11,699	13,374
Total long-term liabilities	15,090	23,253
Guarantees, commitments and contingencies (Note 16)
Stockholders' Equity:
Common stock, $0.05 par value; 30,000,000 shares authorized and 12,482,405 shares issued and outstanding as of January 31, 2017; 30,000,000 shares authorized and 12,396,765 shares issued and outstanding as of July 31, 2016	623	619
Capital in excess of par value	154,821	149,005
Retained earnings	397,532	390,013
Accumulated other comprehensive loss	(10,772)	(8,460)
Total stockholders' equity	542,204	531,177
Total liabilities and stockholders' equity	$ 628,443	$ 632,897