Product Warranties (Summary Of Activity In Warranty Accrual) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012
Product Warranties [Line Items]
Warranty accrual at beginning of period	$ 18,040	$ 18,552	$ 18,859	$ 19,247
Additions from acquisitions	0	40	0	40
Warranties issued during current period	893	2,501	2,933	4,261
Adjustments to pre-existing warranties	91	(331)	(475)	(305)
Reductions for settling warranties	(1,923)	(3,186)	(4,244)	(5,545)
Foreign currency translation	(651)	144	(623)	22
Warranty accrual at end of period	$ 16,450	$ 17,720	$ 16,450	$ 17,720
Minimum [Member]
Product Warranties [Line Items]
Product warranty period, in months			12
Maximum [Member]
Product Warranties [Line Items]
Product warranty period, in months			60