Consolidated Statements of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total USD ($)	Common Stock And Additional Paid in Capital USD ($)	Number of Common Shares	Treasury Stock USD ($)	Accumulated Other Comprehensive Income USD ($)	Accumulated Deficit USD ($)
Balance at Oct. 02, 2010	$ 661,601	$ 6,031,971		$ (214,530)	$ 54,217	$ (5,210,057)
Treasury Stock, Shares at Oct. 02, 2010				(13,352)
Common Stock, Shares, Issued at Oct. 02, 2010			93,074
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under stock plans			961
Issuances Under Stock Plans, Value	4,603	4,603
Cumulative translation adjustment	5,419				5,419
Changes in unrealized loss on derivative financial instruments, net of tax	6,978				6,978
Changes in unrecognized net actuarial loss and unrecognized transition costs, net of tax	4,124				4,124
Stock-based compensation	18,896	18,896
Issuances (Repurchases) of Treasury Stock, Value	(21)	(723)		702
Issuances (Repurchases) of Treasury Stock, Shares				51
Net income	68,917					68,917
Balance at Oct. 01, 2011	770,517	6,054,747		(213,828)	70,738	(5,141,140)
Common Stock, Shares, Issued at Oct. 01, 2011			94,035
Treasury Stock, Shares at Oct. 01, 2011				(13,301)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under stock plans			936
Issuances Under Stock Plans, Value	2,595	2,595
Cumulative translation adjustment	(2,543)				(2,543)
Changes in unrealized loss on derivative financial instruments, net of tax	6,474				6,474
Changes in unrecognized net actuarial loss and unrecognized transition costs, net of tax	(11,190)				(11,190)
Stock-based compensation	17,999	17,999
Issuances (Repurchases) of Treasury Stock, Shares				(35)
Issuances (Repurchases) of Treasury Stock, Value	(305)			(305)
Net income	180,234					180,234
Balance at Sep. 29, 2012	963,781	6,075,341		(214,133)	63,479	(4,960,906)
Common Stock, Shares, Issued at Sep. 29, 2012	94,971		94,971
Treasury Stock, Shares at Sep. 29, 2012	(13,336)			(13,336)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuances under stock plans			2,687
Issuances Under Stock Plans, Value	11,611	11,611
Cumulative translation adjustment	(3,072)				(3,072)
Changes in unrealized loss on derivative financial instruments, net of tax	21,185				21,185
Changes in unrecognized net actuarial loss and unrecognized transition costs, net of tax	2,709				2,709
Stock-based compensation	17,524	17,524
Issuances (Repurchases) of Treasury Stock, Shares				(169)
Issuances (Repurchases) of Treasury Stock, Value	(1,525)			(1,525)
Net income	79,351					79,351
Balance at Sep. 28, 2013	$ 1,091,564	$ 6,104,476		$ (215,658)	$ 84,301	$ (4,881,555)
Common Stock, Shares, Issued at Sep. 28, 2013	97,658		97,658
Treasury Stock, Shares at Sep. 28, 2013	(13,505)			(13,505)