Note 10 Restructuring Rollforward (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 6,278	$ 14,992	$ 7,743
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	14,992	7,743	6,532
non-cash charges	(4,341)	(6,878)	(5,725)
Ending restructuring reserve	6,278	14,992	7,743
Restructuring Plan FY2012
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	682	10,301	0
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	10,301	0	0
non-cash charges	(2,773)	(3,482)	0
Ending restructuring reserve	682	10,301	0
Restructuring Plans Prior to FY2012
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	5,596	4,691	7,743
Restructuring Reserve [Roll Forward]
Beginning restructuring reserve	4,691	7,743	6,532
non-cash charges	(1,568)	(3,396)	(5,725)
Ending restructuring reserve	5,596	4,691	7,743
Facility Closing
Restructuring Cost and Reserve [Line Items]
Restructuring charges	17,785	15,010	19,683
Restructuring Reserve [Roll Forward]
Restructuring charges	17,785	15,010	19,683
Charges Utilized	(16,669)	(13,113)	(19,369)
Facility Closing | Restructuring Plan FY2012
Restructuring Cost and Reserve [Line Items]
Restructuring charges	7,562	545	0
Restructuring Reserve [Roll Forward]
Restructuring charges	7,562	545	0
Charges Utilized	(7,566)	(545)	0
Facility Closing | Restructuring Plans Prior to FY2012
Restructuring Cost and Reserve [Line Items]
Restructuring charges	10,223	14,465	19,683
Restructuring Reserve [Roll Forward]
Restructuring charges	10,223	14,465	19,683
Charges Utilized	(9,103)	(12,568)	(19,369)
Non-cash charges
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4,341	6,878	5,725
Restructuring Reserve [Roll Forward]
Restructuring charges	4,341	6,878	5,725
Non-cash charges | Restructuring Plan FY2012
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,773	3,482	0
Restructuring Reserve [Roll Forward]
Restructuring charges	2,773	3,482	0
Non-cash charges | Restructuring Plans Prior to FY2012
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,568	3,396	5,725
Restructuring Reserve [Roll Forward]
Restructuring charges	1,568	3,396	5,725
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,784	12,445	9,041
Restructuring Reserve [Roll Forward]
Restructuring charges	2,784	12,445	9,041
Charges Utilized	(12,614)	(7,093)	(8,144)
Employee Severance | Restructuring Plan FY2012
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,426	11,618	0
Restructuring Reserve	700
Restructuring Reserve [Roll Forward]
Restructuring charges	2,426	11,618	0
Charges Utilized	(12,041)	(1,317)	0
Ending restructuring reserve	700
Employee Severance | Restructuring Plans Prior to FY2012
Restructuring Cost and Reserve [Line Items]
Restructuring charges	358	827	9,041
Restructuring Reserve [Roll Forward]
Restructuring charges	358	827	9,041
Charges Utilized	(573)	(5,776)	(8,144)
IMS
Restructuring Cost and Reserve [Line Items]
Restructuring charges	11,900	19,000	14,200
Restructuring Reserve [Roll Forward]
Restructuring charges	$ 11,900	$ 19,000	$ 14,200