Restructuring Charges (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended					3 Months Ended		6 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013 2013 Restructuring Charges	Mar. 30, 2013 2013 Restructuring Charges Employee Severance and Related Benefits	Mar. 30, 2013 2013 Restructuring Charges Facility Closures and Related Costs	Dec. 29, 2012 Historical (1)		Mar. 30, 2013 Historical (1)
Restructuring Reserve [Roll Forward]
October 1, 2012			$ 4,461		$ 0	$ 0	$ 0	$ 4,461	[1]	$ 4,461	[1]
Charges to operations	15,810	20,802	31,212	20,802	31,419	29,958	1,461	(100)		(207)	[1]
Cash disbursements			23,381		(19,285)	(18,948)	(337)			(4,096)	[1]
Foreign exchange impact			(337)		(348)	(333)	(15)			11	[1]
Accrual, March 30, 2013	$ 11,955		$ 11,955		$ 11,786	$ 10,677	$ 1,109			$ 169	[1]

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