Product Warranties (Summary Of Activity In Warranty Accrual) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Product Warranties [Line Items]
Warranty accrual at beginning of period	$ 18,859	$ 19,247
Warranties issued during current period	2,040	1,760
Adjustments to pre-existing warranties	(566)	26
Reductions for settling warranties	(2,321)	(2,359)
Foreign currency translation	28	(122)
Warranty accrual at end of period	$ 18,040	$ 18,552
Minimum [Member]
Product Warranties [Line Items]
Product warranty period, in months	12
Maximum [Member]
Product Warranties [Line Items]
Product warranty period, in months	60