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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Income Statement [Abstract]
Net revenue	$ 79,113	$ 114,039
Cost of sales	40,748	62,514
Gross profit	38,365	51,525
Selling, general and administrative	23,102	29,067
Research and development	17,471	18,253
Operating expenses	40,573	47,320
(Loss) Income from operations	(2,208)	4,205
Interest income	279	174
Interest expense	(119)	0
(Loss) Income from operations before income taxes	(2,048)	4,379
(Benefit) Provision for income taxes	(91)	775
Net (loss) income	$ (1,957)	$ 3,604
Net income per share:
Basic (in dollars per share)	$ (0.03)	$ 0.05
Diluted (in dollars per share)	$ (0.03)	$ 0.05
Weighted average shares outstanding:
Basic (in shares)	75,912	74,852
Diluted (in shares)	75,912	76,209

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