Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012
Net sales	$ 1,427,642	$ 1,463,082	$ 2,922,587	$ 2,965,448
Cost of sales	1,327,338	1,356,734	2,725,355	2,750,075
Gross profit	100,304	106,348	197,232	215,373
Operating expenses:
Selling, general and administrative	58,954	62,940	118,822	122,081
Research and development	6,020	5,923	11,415	10,056
Restructuring and integration costs	6,925	5,486	10,872	9,540
Amortization of intangible assets	474	767	948	1,723
Asset impairments	1,100	1,024	1,100	2,077
Gain on sales of long-lived assets	(18,967)	0	(23,185)	0
Total operating expenses	54,506	76,140	119,972	145,477
Operating income	45,798	30,208	77,260	69,896
Interest income	246	442	444	726
Interest expense	(10,416)	(20,367)	(23,500)	(42,230)
Other expense, net	(1,477)	(4,841)	(16,399)	(6,359)
Interest and other, net	(11,647)	(24,766)	(39,455)	(47,863)
Income before income taxes	34,151	5,442	37,805	22,033
Provision for income taxes	12,960	6,881	15,993	14,897
Net income (loss)	$ 21,191	$ (1,439)	$ 21,812	$ 7,136
Net income (loss) per share:
Basic	$ 0.26	$ (0.02)	$ 0.27	$ 0.09
Diluted	$ 0.25	$ (0.02)	$ 0.26	$ 0.09
Weighted average shares used in computing per share amounts:
Basic	82,543	81,225	82,226	81,059
Diluted	84,683	81,225	84,369	83,511