Product Warranties (Summary Of Activity In Warranty Accrual) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Movement in Standard Product Warranty Accrual [Roll Forward]
Warranty accrual at beginning of period	$ 17,369	$ 18,040	$ 17,429	$ 18,859
Warranties issued during current period	2,116	893	3,903	2,933
Adjustments to pre-existing warranties	75	91	(524)	(475)
Reductions for settling warranties	(2,601)	(1,923)	(3,981)	(4,244)
Foreign currency translation	78	(651)	210	(623)
Warranty accrual at end of period	$ 17,037	$ 16,450	$ 17,037	$ 16,450
Minimum [Member]
Product Warranties [Line Items]
Product warranty period in months			12
Maximum [Member]
Product Warranties [Line Items]
Product warranty period in months			60