Note 10 Restructuring Rollforward (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Restructuring Plan FY2012 [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	$ 0
Charges To Operations	15,645
Charges Utilized	(5,344)
Ending restructuring reserve	10,301
Restructuring Plan FY2012 [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Charges To Operations	4,027
Charges Utilized	(4,027)
Ending restructuring reserve	0
Restructuring Plan FY2012 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Charges To Operations	11,618
Charges Utilized	(1,317)
Ending restructuring reserve	10,301
Restructuring Plans Prior to FY2012 [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	7,743	6,532	14,400
Charges To Operations	15,292	28,724	24,193
Charges Utilized	(18,344)	(27,513)	(29,690)
Reversal Of Accrual			(2,371)
Ending restructuring reserve	4,691	7,743	6,532
Restructuring Plans Prior to FY2012 [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	1,416	1,102	3,645
Charges To Operations	14,465	19,683	16,320
Charges Utilized	(12,568)	(19,369)	(18,586)
Reversal Of Accrual			(277)
Ending restructuring reserve	3,313	1,416	1,102
Restructuring Plans Prior to FY2012 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	6,327	5,430	10,755
Charges To Operations	827	9,041	7,873
Charges Utilized	(5,776)	(8,144)	(11,104)
Reversal Of Accrual			(2,094)
Ending restructuring reserve	$ 1,378	$ 6,327	$ 5,430