Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Sep. 30, 2012
Current assets:
Cash and cash equivalents	$ 105,226	$ 75,497	[1]
Short-term investments	33,408	6,541	[1]
Accounts receivable, net	48,123	47,710	[1]
Inventories	64,606	66,964	[1]
Deferred tax assets	3,410	8,940	[1]
Other current assets	14,496	12,264	[1]
Total current assets	269,269	217,916	[1]
Property, equipment and leasehold improvements, net	42,562	29,286	[1]
Purchased intangible assets, net	7,035	8,226	[1]
Goodwill	9,178	9,178	[1]
Deferred tax assets	7,533	13,588	[1]
Other assets	16,431	38,877	[1]
Total assets	352,008	317,071	[1]
Current liabilities:
Accounts payable	46,242	44,705	[1]
Accrued compensation and benefits	7,656	9,420	[1]
Accrued expenses	6,898	11,133	[1]
Current portion of long-term debt	195	0	[1]
Total current liabilities	60,991	65,258	[1]
Long-term debt	4,583	0	[1]
Other long-term liabilities	8,644	5,478	[1]
Total liabilities	74,218	70,736	[1]
Commitments and contingencies			[1]
Stockholders’ equity:
Common stock	3	3	[1]
Additional paid-in capital	339,528	330,473	[1]
Accumulated deficit	(77,196)	(90,046)	[1]
Accumulated other comprehensive income	13,290	2,399	[1]
Total ISSI stockholders’ equity	275,625	242,829	[1]
Noncontrolling interest	2,165	3,506	[1]
Total stockholders’ equity	277,790	246,335	[1]
Total liabilities and stockholders’ equity	$ 352,008	$ 317,071	[1]

[1] Derived from audited financial statements.