Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jun. 29, 2019	Jun. 30, 2018
Cash Flows from Operating Activities
Net income	$ 38,246	$ 50,568
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Stock-based compensation	7,298	5,378
Fair value adjustment to acquired inventory	1,141	0
Net periodic pension benefit cost	871	890
Depreciation and amortization	28,153	25,858
(Gain) loss on sale or disposal of property and equipment	552	171
Amortization of debt issuance costs	2,807	3,824
Deferred income taxes	(1,430)	(30,189)
Bad debt provision (recovery), net	586	1,344
Other	0	(111)
Changes in operating assets and liabilities
Accounts receivable and unbilled accounts receivable	(15,444)	22,915
Inventories, net	1,013	(15,158)
Prepaid expenses	(2,310)	(784)
Accounts payable	(11,361)	(283)
Accrued payroll and related costs	(1,396)	(10,525)
Advance payments from customers	(6,390)	1,987
Accrued warranty costs	(1,571)	(422)
Other assets and liabilities	9,205	(3,352)
Net Cash Provided by (Used in) Operating Activities	49,970	52,111
Cash Flows from Investing Activities
Purchases of property and equipment	(17,377)	(9,777)
Proceeds from sale of property and equipment	10	69
Purchases of business, net of acquired cash	(83,526)	0
Other	(285)	823
Net Cash Provided by (Used in) Investing Activities	(101,178)	(8,885)
Cash Flows from Financing Activities
Proceeds from issuance of long-term debt	80,391	0
Payment of long-term debt	(3,861)	(63,233)
Payment of debt component of tangible equity units	(4,818)	(6,805)
Payment of debt issuance costs for revolving credit facility	(542)	0
Receipts under short-term borrowings	35,000	12,750
Payments under short-term borrowings	(35,000)	(12,750)
Cash dividends	(16,099)	(15,958)
Proceeds from exercise of stock options and employee stock purchase plan	1,697	1,701
Payments to purchase and retire common stock	(1,384)	(1,306)
Net Cash Provided by (Used in) Financing Activities	55,384	(85,601)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(245)	45
Cash and Cash Equivalents
Increase (decrease) during the period	3,931	(42,330)
Balance, beginning of period	71,804	108,733
Balance, end of period	75,735	66,403
Cash paid during the period for
Interest	18,244	16,768
Income taxes	9,295	7,645
Non-cash investing and financing activities
Dividends declared not yet paid	$ 5,568	$ 5,354