CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Revenues	$ 144,297	$ 157,208
Cost of sales	73,933	82,409
Gross profit	70,364	74,799
Selling, general and administrative	28,658	30,441
Research and development	28,292	29,803
Operating expenses	56,950	60,244
Income from operations	13,414	14,555
Interest income	2,839	3,826
Interest expense	(583)	(251)
Income before income taxes	15,670	18,130
Provision for income taxes	2,133	10,570
Share of results of equity-method investee, net of tax	60	43
Net income	$ 13,477	$ 7,517
Net income per share:
Basic (in dollars per share)	$ 0.21	$ 0.11
Diluted (in dollars per share)	$ 0.21	$ 0.11
Weighted average shares outstanding:
Basic (in shares)	63,557	67,176
Diluted (in shares)	64,139	67,851