Note 7 Restructuring Reserve Rollforward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 29, 2012
Prior to 2012 Restructuring Plan
Restructuring Reserve Rollforward
Accrual balance, beginning	$ 4,691
Restructuring charges	1,994
Total charges utilized or payments	(2,465)
Accrual balance, ending	4,220
Prior to 2012 Restructuring Plan | Employee Severance and benefits[Member]
Restructuring Reserve Rollforward
Restructuring charges	180
Charges utilized	(235)
Prior to 2012 Restructuring Plan | Leases and facility shutdown costs[Member]
Restructuring Reserve Rollforward
Restructuring charges	1,419
Charges utilized	(1,835)
Prior to 2012 Restructuring Plan | Non-cash charges[Member]
Restructuring Reserve Rollforward
Restructuring charges	395
Non-cash charges	(395)
2012 Restructuring Plan
Restructuring Reserve Rollforward
Accrual balance, beginning	10,301
Restructuring charges	1,953
Total charges utilized or payments	(6,138)
Accrual balance, ending	6,116
2012 Restructuring Plan | Employee Severance and benefits[Member]
Restructuring Reserve Rollforward
Restructuring charges	830
Charges utilized	(5,013)
2012 Restructuring Plan | Leases and facility shutdown costs[Member]
Restructuring Reserve Rollforward
Restructuring charges	1,123
Charges utilized	(1,125)
2012 Restructuring Plan | Non-cash charges[Member]
Restructuring Reserve Rollforward
Restructuring charges	0
Non-cash charges	0
Total
Restructuring Reserve Rollforward
Accrual balance, beginning	14,992
Restructuring charges	3,947
Total charges utilized or payments	(8,603)
Accrual balance, ending	10,336
Total | Employee Severance and benefits[Member]
Restructuring Reserve Rollforward
Restructuring charges	1,010
Charges utilized	(5,248)
Total | Leases and facility shutdown costs[Member]
Restructuring Reserve Rollforward
Restructuring charges	2,542
Charges utilized	(2,960)
Total | Non-cash charges[Member]
Restructuring Reserve Rollforward
Restructuring charges	395
Non-cash charges	$ (395)