Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Cash flows from operating activities
Net income	$ 16,616	$ 17,870
Adjustments to reconcile net income to cash flows from operating activities:
Depreciation	11,957	12,513
Amortization of intangibles	516	0
(Gain) loss on sale of property, plant and equipment	(69)	57
Deferred income taxes	66	570
Stock based compensation expense	2,785	2,675
Changes in operating assets and liabilities, excluding effects of acquisitions
Accounts receivable	33,365	20,014
Inventories	(22,814)	56
Prepaid expenses and other	(3,047)	(3,834)
Accounts payable	(22,478)	1,752
Customer deposits	(48)	335
Accrued liabilities and other	(8,342)	(22,185)
Cash flows provided by operating activities	8,507	29,823
Cash flows from investing activities
Payments for property, plant and equipment	(25,843)	(22,156)
Proceeds from sales of property, plant and equipment	82	150
Sale of long-term investments	0	2,000
Cash flows used in investing activities	(25,761)	(20,006)
Cash flows from financing activities
Payments on debt and capital lease obligations	(648)	(4,305)
Purchases of common stock	(6,070)	0
Proceeds from exercise of stock options	48	37
Income tax benefit of stock option exercises	0	228
Cash flows used in financing activities	(6,670)	(4,040)
Effect of exchange rate changes on cash and cash equivalents	488	400
Net (decrease) increase in cash and cash equivalents	(23,436)	6,177
Cash and cash equivalents:
Beginning of period	297,619	242,107
End of period	$ 274,183	$ 248,284