Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Cash flows from operating activities
Net income	$ 34,591	$ 37,828
Adjustments to reconcile net income to cash flows from operating activities:
Depreciation	23,819	24,375
Amortization of intangibles	1,033	346
Gain on sale of property, plant and equipment	(180)	(114)
Deferred income taxes	184	1,598
Stock based compensation expense	5,896	6,384
Changes in operating assets and liabilities, excluding effects of acquisitions
Accounts receivable	(12,241)	(10,583)
Inventories	(27,192)	(10,046)
Prepaid expenses and other	(6,947)	(4,471)
Accounts payable	(4,470)	49,637
Customer deposits	60,555	2,953
Accrued liabilities and other	(12,121)	(15,951)
Cash flows provided by operating activities	62,927	81,956
Cash flows from investing activities
Payments for property, plant and equipment	(53,301)	(32,900)
Proceeds from sales of property, plant and equipment	203	502
Sale of long-term investments	0	2,000
Payments for business acquisition, net of cash acquired	0	(35,246)
Cash flows used in investing activities	(53,098)	(65,644)
Cash flows from financing activities
Payments on debt and capital lease obligations	(8,816)	(8,630)
Purchases of common stock	(21,541)	0
Proceeds from exercise of stock options	116	5,958
Adjustments Related to Tax Withholding for Share-based Compensation	(350)	(310)
Income tax benefit of stock option exercises	0	1,718
Cash flows used in financing activities	(30,591)	(1,264)
Effect of exchange rate changes on cash and cash equivalents	(350)	599
Net (decrease) increase in cash and cash equivalents	(21,112)	15,647
Cash and cash equivalents:
Beginning of period	297,619	242,107
End of period	$ 276,507	$ 257,754