Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Apr. 03, 2021	Apr. 04, 2020
Cash flows from operating activities
Net income	$ 77,962	$ 43,932
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	30,671	27,938
Deferred income taxes	1,454	2,226
Share-based compensation expense	11,822	10,825
Provision for allowance for doubtful accounts	(2,405)	3,402
Asset impairment charges	0	3,054
Other, net	1,060	(13)
Changes in operating assets and liabilities:
Accounts receivable	(21,955)	21,671
Contract assets	(2,439)	(20,300)
Inventories	(4,689)	(65,662)
Other current and non-current assets	(10,860)	7,619
Accrued income taxes payable	(15,720)	(17,050)
Accounts payable	16,317	41,595
Customer deposits	14,284	(3,049)
Other current and non-current liabilities	(6,643)	(10,780)
Cash flows provided by operating activities	88,859	45,408
Cash flows from investing activities
Payments for property, plant and equipment	(23,149)	(30,679)
Proceeds from sales of property, plant and equipment	201	694
Other, net	(200)	0
Cash flows used in investing activities	(23,148)	(29,985)
Cash flows from financing activities
Borrowings under debt agreements	151,967	335,694
Payments on debt and finance lease obligations	(254,396)	(329,756)
Repurchases of common stock	(51,900)	(19,484)
Proceeds from exercise of stock options	3,303	9,850
Payments related to tax withholding for share-based compensation	(9,510)	(10,625)
Cash flows used in financing activities	(160,536)	(14,321)
Effect of exchange rate changes on cash and cash equivalents	1,443	(68)
Net (decrease) increase in cash and cash equivalents and restricted cash	(93,382)	1,034
Cash and cash equivalents and restricted cash:
Beginning of period	387,894	226,254
End of period	$ 294,512	$ 227,288