Business Segments (Schedule Of Financial Information About Company's Reportable Segments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Oct. 01, 2016
Segment Reporting Information [Line Items]
Net sales	$ 635,019	$ 616,664
Operating income (loss)	33,903	21,524
Interest expense	(3,274)	(3,534)
Interest income	1,071	932
Miscellaneous	(674)	(1,620)
Income before income taxes	31,026	17,302
Total assets	1,756,179		$ 1,765,819
Corporate and Eliminations [Member]
Segment Reporting Information [Line Items]
Total assets	69,223		28,416
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	(29,050)	(29,866)
Operating income (loss)	(26,899)	(23,079)
AMER | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	314,651	305,097
Operating income (loss)	14,797	8,386
Total assets	521,705		590,850
Asia Pacific [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	309,969	299,346
Operating income (loss)	48,240	36,952
Total assets	1,034,237		1,009,917
EMEA [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	39,449	42,087
Operating income (loss)	(2,235)	$ (735)
Total assets	$ 131,014		$ 136,636