Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Sep. 30, 2010
Current assets:
Cash and cash equivalents	$ 78,167	$ 81,665
Restricted cash	7,187	5,107
Short-term investments	4,229	4,837
Accounts receivable, net	37,518	41,148
Inventories	61,012	54,560
Other current assets	7,288	4,479
Total current assets	195,401	191,796
Property, equipment and leasehold improvements, net	29,350	28,078
Long-term investments	6,269	0
Purchased intangible assets, net	11,545	1,294
Goodwill	9,463	1,301
Other assets	11,482	11,562
Total assets	263,510	234,031
Current liabilities:
Accounts payable	35,415	41,586
Accrued compensation and benefits	6,404	6,406
Accrued expenses	5,536	5,930
Total current liabilities	47,355	53,922
Other long-term liabilities	8,416	2,288
Total liabilities	55,771	56,210
Commitments and contingencies
Stockholders’ equity:
Common stock	3	3
Additional paid-in capital	323,248	317,773
Accumulated deficit	(122,202)	(143,285)
Accumulated other comprehensive income (loss)	4,242	(2,286)
Total ISSI stockholders’ equity	205,291	172,205
Noncontrolling interest	2,448	5,616
Total stockholders’ equity	207,739	177,821
Total liabilities and stockholders’ equity	$ 263,510	$ 234,031