Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 28, 2012	Dec. 30, 2011
Cash Flows From Operating Activities
Net income/(loss)	$ 1,077	$ (5,598)
Adjustments required to reconcile net income/(loss) to net cash provided by operating activities:
Depreciation and amortization of property, plant and equipment	1,553	1,513
Amortization of license agreements	659	643
Amortization of intangibles	351
Restructuring charges	1,471
Stock-based compensation	2,671	2,150
Inventory provisions	367	699
Amortization of debt discount on convertible debt	244	144
Other non-cash items, net	125	(93)
Changes in assets and liabilities, net of acquisitions:
Receivables	(2,193)	(590)
Inventories	916	2,428
Other assets, net	4,207	854
Accounts payable	(909)	(1,009)
Deferred income on sales to distributors	(790)	8
Restructuring charges	(909)	(528)
Accrued compensation and benefits	(1,134)	(2,481)
Accrued expenses and other current liabilities	(1,667)	1,627
Other liabilities, net	182	(113)
Net cash provided by/(used in) operating activities	6,221	(346)
Cash Flows From Investing Activities
Purchases of property, plant and equipment	(2,227)	(1,570)
Payments under license agreements	(2,477)	(1,111)
Net cash used in investing activities	(4,704)	(2,681)
Cash Flows From Financing Activities
Payments made on capital lease obligations	(67)	(173)
Borrowings under line of credit	1,250
Payments made on line of credit	(1,240)
Repurchase of restricted stock for income tax withholding	(216)	(264)
Proceeds from equity compensation programs	770	992
Net cash provided by financing activities	497	555
Effect of foreign currency exchange rates on cash	25	6
Net (decrease)/increase in cash and cash equivalents	2,039	(2,466)
Cash and cash equivalents at beginning of period	49,098	45,227
Cash and cash equivalents at end of period	$ 51,137	$ 42,761