Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 29, 2019	Jun. 30, 2018
Cash flows from operating activities
Net income (loss)	$ 71,785	$ (59,702)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	38,795	35,761
Deferred income taxes	2,448	23,106
Share-based compensation expense	15,355	13,206
Other, net	148	(117)
Changes in operating assets and liabilities, excluding impacts of acquisition:
Accounts receivable	(65,324)	(14,723)
Contract assets	(28,692)	0
Inventories	(33,756)	(102,320)
Other current and noncurrent assets	(3,537)	(21,124)
Accrued income taxes payable	(1,648)	98,552
Accounts payable	(72,014)	63,743
Customer deposits	39,979	(6,128)
Other current and noncurrent liabilities	43,493	11,216
Cash flows provided by operating activities	7,032	41,470
Cash flows from investing activities
Payments for property, plant and equipment	(74,602)	(52,077)
Proceeds from sales of property, plant and equipment	160	426
Business acquisition	1,180	0
Cash flows used in investing activities	(73,262)	(51,651)
Cash flows from financing activities
Borrowings under debt agreements	884,500	673,052
Payments on debt and capital lease obligations	(754,743)	(806,910)
Debt issuance costs	(688)	(729)
Repurchases of common stock	(150,704)	(97,840)
Proceeds from exercise of stock options	2,023	9,523
Payments related to tax withholding for share-based compensation	(6,547)	(5,461)
Cash flows used in financing activities	(26,159)	(228,365)
Effect of exchange rate changes on cash and cash equivalents	102	2,843
Net decrease in cash and cash equivalents and restricted cash	(92,287)	(235,703)
Cash and cash equivalents and restricted cash:
Beginning of period	297,686	569,254
End of period	$ 205,399	$ 333,551