CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jan. 02, 2016	Dec. 27, 2014
Income Statement [Abstract]
Net revenue	$ 108,534	$ 107,438
Cost of sales	58,113	52,704
Gross profit	50,421	54,734
Selling, general and administrative	27,932	25,427
Research and development	24,194	19,581
Operating expenses	52,126	45,008
(Loss) / Income from operations	(1,705)	9,726
Interest income	622	262
Interest expense	(273)	(303)
(Loss) / Income from operations before income taxes	(1,356)	9,685
Income tax (benefit) / expense	(1,265)	1,843
Net (loss) / income	$ (91)	$ 7,842
Net income per share:
Basic (in dollars per share)	$ 0.00	$ 0.10
Diluted (in dollars per share)	$ 0.00	$ 0.10
Weighted average shares outstanding:
Basic (in shares)	70,738	76,888
Diluted (in shares)	70,738	77,432