Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Cash Flows from Operating Activities
Net income	$ 24,661	$ 41,589
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Stock-based compensation	4,689	3,290
Fair value adjustment to acquired inventory	984	0
Net periodic pension benefit cost	584	597
Depreciation and amortization	18,468	17,348
(Gain) loss on sale or disposal of property and equipment	510	159
Amortization of debt issuance costs	2,099	2,626
Deferred income taxes	(1,243)	(30,654)
Bad debt provision (recovery), net	503	1,201
Other	0	(111)
Changes in operating assets and liabilities
Accounts receivable and unbilled accounts receivable	(3,763)	24,174
Inventories, net	(12,942)	(14,441)
Prepaid expenses	(4,106)	(2,374)
Accounts payable	(10,378)	(901)
Accrued payroll and related costs	(5,629)	(11,921)
Advance payments from customers	4,653	5,891
Accrued warranty costs	(671)	157
Other assets and liabilities	12,250	628
Net Cash Provided by (Used in) Operating Activities	30,669	37,258
Cash Flows from Investing Activities
Purchases of property and equipment	(9,349)	(5,368)
Proceeds from sale of property and equipment	10	69
Purchases of business, net of acquired cash	(81,826)	0
Other	(285)	823
Net Cash Provided by (Used in) Investing Activities	(91,450)	(4,476)
Cash Flows from Financing Activities
Proceeds from issuance of long-term debt	80,391	0
Payment of long-term debt	(1,423)	(45,949)
Payment of debt component of tangible equity units	(4,818)	(4,498)
Payment of debt issuance costs for revolving credit facility	(542)	0
Receipts under short-term borrowings	30,000	7,750
Payments under short-term borrowings	(30,000)	(7,750)
Cash dividends	(10,724)	(10,667)
Proceeds from exercise of stock options and employee stock purchase plan	701	745
Payments to purchase and retire common stock	(398)	(757)
Net Cash Provided by (Used in) Financing Activities	63,187	(61,126)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(88)	3,989
Cash and Cash Equivalents
Increase (decrease) during the period	2,318	(24,355)
Balance, beginning of period	71,804	108,733
Balance, end of period	74,122	84,378
Cash paid during the period for
Interest	12,065	11,314
Income taxes	6,280	4,954
Non-cash investing and financing activities
Dividends declared not yet paid	$ 5,328	$ 5,291