Condensed Consolidated Statements Of Operations And Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Income Statement [Abstract]
Net sales	$ 608,819	$ 559,183	$ 1,711,943	$ 1,693,102
Cost of sales	551,426	505,109	1,548,274	1,528,648
Gross profit	57,393	54,074	163,669	164,454
Selling and administrative expenses	30,113	29,189	86,859	85,310
Operating income	27,280	24,885	76,810	79,144
Other income (expense):
Interest expense	(4,125)	(3,301)	(12,205)	(7,564)
Interest income	446	388	1,344	954
Miscellaneous	1,860	750	1,543	593
Income before income taxes	25,461	22,722	67,492	73,127
Income tax expense	1,928	682	6,131	2,194
Net Income (Loss)	23,533	22,040	61,361	70,933
Earnings per share:
Basic	$ 0.67	$ 0.60	$ 1.76	$ 1.81
Diluted	$ 0.66	$ 0.58	$ 1.73	$ 1.78
Weighted average shares outstanding:
Basic	34,982	37,021	34,819	39,135
Diluted	35,643	37,860	35,501	39,923
Comprehensive income:
Net Income (Loss)	23,533	22,040	61,361	70,933
Derivative instrument fair market value adjustment - net of income tax	(1,113)	818	2,546	3,265
Foreign currency translation adjustments	(2,475)	281	(1,298)	2,651
Comprehensive income	$ 19,945	$ 23,139	$ 62,609	$ 76,849