Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Cash flows from operating activities
Net income (loss)	$ 22,226	$ (98,493)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	12,574	11,702
Deferred income taxes	943	21,906
Share-based compensation expense	4,753	3,896
Other, net	51	(46)
Changes in operating assets and liabilities, excluding impacts of acquisition:
Accounts receivable	(34,240)	31,461
Contract assets	(6,339)	0
Inventories	(74,344)	(14,016)
Other current and noncurrent assets	(2,221)	(4,453)
Accrued income taxes payable	10,811	106,156
Accounts payable	7,928	8,756
Customer deposits	22,050	(5,195)
Other current and noncurrent liabilities	2,467	7,432
Cash flows (used in) provided by operating activities	(33,341)	69,106
Cash flows from investing activities
Payments for property, plant and equipment	(24,903)	(16,702)
Proceeds from sales of property, plant and equipment	49	173
Business acquisition	1,180	0
Cash flows used in investing activities	(23,674)	(16,529)
Cash flows from financing activities
Borrowings under debt agreements	231,500	216,314
Payments on debt and capital lease obligations	(229,469)	(324,192)
Repurchases of common stock	(50,051)	(9,547)
Proceeds from exercise of stock options	796	8,513
Payments related to tax withholding for share-based compensation	(26)	(141)
Cash flows used in financing activities	(47,250)	(109,053)
Effect of exchange rate changes on cash and cash equivalents	(548)	2,073
Net decrease in cash and cash equivalents and restricted cash	(104,813)	(54,403)
Cash and cash equivalents and restricted cash:
Beginning of period	297,686	569,254
End of period	$ 192,873	$ 514,851