Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Income Statement [Abstract]
Revenue, Net	$ 2,306,732	$ 2,231,232	$ 2,013,393
Cost of sales	2,086,819	2,016,490	1,806,471
Gross profit	219,913	214,742	206,922
Operating expenses:
Selling, General and Administrative Expense	115,754	113,563	107,270
Operating income	104,159	101,179	99,652
Other income (expense):
Interest expense	(16,064)	(11,649)	(9,589)
Investment Income, Interest	1,761	1,367	1,436
Miscellaneous income (expense)	1,375	1,206	(1,062)
Income before income taxes	91,231	92,103	90,437
Income tax expense (benefit)	29,142	2,847	904
Net income	$ 62,089	$ 89,256	$ 89,533
Earnings per share:
Earnings Per Share, Basic	$ 1.78	$ 2.34	$ 2.24
Earnings Per Share, Diluted	$ 1.75	$ 2.30	$ 2.19
Weighted average shares outstanding:
Basic	34,874	38,063	40,051
Diluted	35,529	38,800	40,831