Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Revenue
Revenue	$ 196,225	$ 232,209	$ 613,531	$ 668,436
Cost of Sales
Total cost of sales	130,730	147,106	400,186	417,678
Gross profit	65,495	85,103	213,345	250,758
Operating expenses
Selling and marketing	26,857	33,321	89,707	98,805
General and administrative	19,692	20,621	67,382	63,804
Research and development	6,303	8,160	20,485	23,008
Total operating expenses	52,852	62,102	177,574	185,617
Income from operations	12,643	23,001	35,771	65,141
Interest income (expense), net	(8,846)	(6,687)	(25,975)	(20,873)
Other income (expense), net	(446)	(124)	(1,059)	195
Income before income taxes	3,351	16,190	8,737	44,463
Income tax provision (benefit)	(1,038)	2,605	113	6,217
Net income	$ 4,389	$ 13,585	$ 8,624	$ 38,246
Basic
Earnings per share (in dollars per share)	$ 0.23	$ 0.70	$ 0.45	$ 1.99
Weighted average common shares outstanding (in shares)	19,229	19,297	19,189	19,255
Diluted
Earnings per share (in dollars per share)	$ 0.23	$ 0.70	$ 0.45	$ 1.97
Weighted average common shares outstanding (in shares)	19,315	19,520	19,349	19,436
Dividends declared per share (in dollars per share)	$ 0	$ 0.30	$ 0.60	$ 0.90
Product
Revenue
Revenue	$ 175,223	$ 205,528	$ 537,304	$ 587,297
Cost of Sales
Cost of goods and services sold	116,491	130,514	349,336	368,260
Service
Revenue
Revenue	21,002	26,681	76,227	81,139
Cost of Sales
Cost of goods and services sold	$ 14,239	$ 16,592	$ 50,850	$ 49,418