Restructuring Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 29, 2012		Dec. 31, 2011
Restructuring Reserve [Roll Forward]
October 1, 2012	$ 4,461
Charges to operations	15,402		0
Cash disbursements	(10,264)
Foreign exchange impact	76
Accrual, December 29, 2012	9,675
2013 Restructuring
Restructuring Reserve [Roll Forward]
October 1, 2012	0
Charges to operations	15,544
Cash disbursements	(7,217)
Foreign exchange impact	56
Accrual, December 29, 2012	8,383
2013 Restructuring | Facility Closures and Related Costs
Restructuring Reserve [Roll Forward]
October 1, 2012	0
Charges to operations	27
Cash disbursements	0
Foreign exchange impact	0
Accrual, December 29, 2012	27
2013 Restructuring | Employee Severance and Related Benefits
Restructuring Reserve [Roll Forward]
October 1, 2012	0
Charges to operations	15,517
Cash disbursements	(7,217)
Foreign exchange impact	56
Accrual, December 29, 2012	8,356
Historical (1)
Restructuring Reserve [Roll Forward]
October 1, 2012	4,461	[1]
Charges to operations	(142)	[1]
Cash disbursements	(3,047)	[1]
Foreign exchange impact	20	[1]
Accrual, December 29, 2012	$ 1,292	[1]

[1] The historical balances and activity are primarily for employee severance and related benefits related to the 2012 restructuring charges.