Condensed Consolidated Statements Of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Income Statement [Abstract]
Revenue, Net	$ 571,945	$ 608,819	$ 1,660,301	$ 1,711,943
Cost of sales	(516,472)	(551,426)	(1,501,645)	(1,548,274)
Gross profit	55,473	57,393	158,656	163,669
Selling and administrative expenses	30,289	30,113	88,800	86,859
Operating income	25,184	27,280	69,856	76,810
Other income (expense):
Interest expense	(2,650)	(4,125)	(10,010)	(12,205)
Interest income	402	446	1,182	1,344
Miscellaneous	8	1,860	(467)	1,543
Income before income taxes	22,944	25,461	60,561	67,492
Income tax expense	(260)	1,928	2,766	6,131
Net income	23,204	23,533	57,795	61,361
Earnings per share:
Basic	$ 0.69	$ 0.67	$ 1.71	$ 1.76
Diluted	$ 0.68	$ 0.66	$ 1.69	$ 1.73
Weighted average shares outstanding:
Basic	33,797	34,982	33,744	34,819
Diluted	34,363	35,643	34,226	35,501
Comprehensive income:
Net income	23,204	23,533	57,795	61,361
Derivative instrument fair market value adjustment - net of income tax	(3,202)	(1,113)	(2,479)	2,546
Foreign currency translation adjustments	1,271	(2,475)	1,861	(1,298)
Comprehensive income	$ 21,273	$ 19,945	$ 57,177	$ 62,609