Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
Cash Flows from Operating Activities
Net income	$ 8,624	$ 38,246
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Stock-based compensation	5,214	7,298
Fair value adjustment to acquired inventory	1,140	1,141
Net periodic pension benefit cost	1,386	871
Depreciation	17,287	15,485
Amortization	17,343	12,668
Accretion of contingent consideration	895	0
Contingent consideration fair value adjustment	1,301	0
(Gain) loss on sale or disposal of property and equipment	2,327	552
Amortization of debt issuance costs	2,220	2,807
Deferred income taxes	1,718	(1,430)
Bad debt provision (recovery), net	(1,258)	586
Changes in operating assets and liabilities
Accounts receivable and unbilled accounts receivable	13,903	(15,444)
Inventories, net	(10,398)	1,013
Prepaid expenses	3,015	(2,310)
Accounts payable	(6,421)	(11,361)
Accrued payroll and related costs	(8,722)	(1,396)
Advance payments from customers	(8,869)	(6,390)
Accrued warranty costs	1,316	(1,571)
Other assets and liabilities	(28,601)	9,205
Net Cash Provided by (Used in) Operating Activities	13,420	49,970
Cash Flows from Investing Activities
Purchases of property and equipment	(21,144)	(17,377)
Proceeds from sale of property and equipment	0	10
Purchases of business, net of acquired cash	(49,268)	(83,526)
Other	87	(285)
Net Cash Provided by (Used in) Investing Activities	(70,325)	(101,178)
Cash Flows from Financing Activities
Proceeds from issuance of long-term debt	58,576	80,391
Payment of long-term debt	(4,180)	(3,861)
Payment of debt issuance costs for long-term debt	(88)	0
Payment of debt component of tangible equity units	0	(4,818)
Payment of debt issuance costs for revolving credit facility	(564)	(542)
Receipts under short-term borrowings	115,000	35,000
Payments under short-term borrowings	(88,000)	(35,000)
Cash dividends	(17,205)	(16,099)
Proceeds from exercise of stock options and employee stock purchase plan	630	1,697
Payments to purchase and retire common stock	(1,176)	(1,384)
Net Cash Provided by (Used in) Financing Activities	62,993	55,384
Effect of Exchange Rate Changes on Cash and Cash Equivalents	1,048	(245)
Cash and Cash Equivalents
Increase (decrease) in cash and cash equivalents during the period	7,136	3,931
Cash and cash equivalents balance, beginning of period	57,937	71,804
Cash and cash equivalents balance, end of period	65,073	75,735
Cash paid during the period for
Interest	19,645	18,244
Income taxes	10,317	9,295
Non-cash investing and financing activities
Contingent consideration assumed in acquisition	19,180	0
Dividends declared not yet paid	$ 0	$ 5,568