Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Cash Flows from Operating Activities
Net income	$ 5,306	$ 10,501
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Stock-based compensation	2,167	1,794
Fair value adjustment to acquired inventory	540	445
Net periodic pension benefit cost	462	292
Depreciation	5,662	5,144
Amortization	4,785	3,816
(Gain) loss on sale or disposal of property and equipment	612	161
Amortization of debt issuance costs	867	1,060
Deferred income taxes	66	(1,258)
Bad debt provision (recovery), net	(460)	136
Changes in operating assets and liabilities
Accounts receivable and unbilled accounts receivable	4,983	9,083
Inventories, net	(9,716)	(15,788)
Prepaid expenses	(177)	(2,288)
Accounts payable	913	(2,803)
Accrued payroll and related costs	(12,410)	(10,759)
Advance payments from customers	(7,512)	3,265
Accrued warranty costs	572	(185)
Other assets and liabilities	(2,403)	8,015
Net Cash Provided by (Used in) Operating Activities	(5,743)	10,631
Cash Flows from Investing Activities
Purchases of property and equipment	(10,572)	(3,773)
Proceeds from sale of property and equipment	0	10
Purchases of business, net of acquired cash	0	(78,032)
Other	0	(285)
Net Cash Provided by (Used in) Investing Activities	(10,572)	(82,080)
Cash Flows from Financing Activities
Proceeds from issuance of long-term debt	0	80,391
Payment of long-term debt	(1,283)	(1,286)
Payment of debt issuance costs for long-term debt	(88)	0
Payment of debt component of tangible equity units	0	(2,388)
Payment of debt issuance costs for revolving credit facility	(564)	(445)
Receipts under short-term borrowings	50,000	25,000
Payments under short-term borrowings	(20,000)	(25,000)
Cash dividends	(5,739)	(5,359)
Proceeds from exercise of stock options and employee stock purchase plan	41	38
Payments to purchase and retire common stock	(835)	(356)
Net Cash Provided by (Used in) Financing Activities	21,532	70,595
Effect of Exchange Rate Changes on Cash and Cash Equivalents	917	(512)
Cash and Cash Equivalents
Increase (decrease) in cash and cash equivalents during the period	6,134	(1,366)
Cash and cash equivalents balance, beginning of period	57,937	71,804
Cash and cash equivalents balance, end of period	64,071	70,438
Cash paid during the period for
Interest	1,918	5,292
Income taxes	2,069	2,006
Non-cash investing and financing activities
Dividends declared not yet paid	$ 5,704	$ 5,319