Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Cash Flows from Operating Activities
Net income	$ 10,501	$ 33,151
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Stock-based compensation	1,794	1,622
Fair value adjustment to acquired inventory	445	0
Net periodic pension benefit cost	292	292
Depreciation and amortization	8,960	8,736
(Gain) loss on sale or disposal of property and equipment	161	67
Amortization of debt issuance costs	1,060	1,310
Deferred income taxes	(1,258)	(30,352)
Bad debt provision (recovery), net	136	432
Changes in operating assets and liabilities
Accounts receivable and unbilled accounts receivable	9,083	7,248
Inventories, net	(15,788)	(5,498)
Prepaid expenses	(2,288)	(3,810)
Accounts payable	(2,803)	1,167
Accrued payroll and related costs	(10,759)	(13,929)
Advance payments from customers	3,265	2,947
Accrued warranty costs	(185)	(190)
Other assets and liabilities	8,015	6,030
Net Cash Provided by (Used in) Operating Activities	10,631	9,223
Cash Flows from Investing Activities
Purchases of property and equipment	(3,773)	(2,801)
Proceeds from sale of property and equipment	10	69
Purchases of business, net of acquired cash	(78,032)	0
Other	285	0
Net Cash Provided by (Used in) Investing Activities	(82,080)	(2,732)
Cash Flows from Financing Activities
Proceeds from issuance of long-term debt	80,391	0
Payment of long-term debt	(1,286)	(19,667)
Payment of debt component of tangible equity units	(2,388)	(2,230)
Payment of debt issuance costs for revolving credit facility	(445)	0
Receipts under short-term borrowings	25,000	5,000
Payments under short-term borrowings	(25,000)	0
Cash dividends	(5,359)	(5,330)
Proceeds from exercise of stock options and employee stock purchase plan	38	212
Payments to purchase and retire common stock	(356)	(744)
Net Cash Provided by (Used in) Financing Activities	70,595	(22,759)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(512)	1,606
Cash and Cash Equivalents
Increase (decrease) during the period	(1,366)	(14,662)
Balance, beginning of period	71,804	108,733
Balance, end of period	70,438	94,071
Cash paid during the period for
Interest	5,292	5,784
Income taxes	2,006	2,323
Non-cash investing and financing activities
Dividends declared not yet paid	$ 5,319	$ 5,285