Consolidated Condensed Statements Of Earnings - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Income Statement [Abstract]
Net sales	$ 634,539	$ 683,698	$ 1,902,308	$ 1,976,961
Cost of sales	443,963	481,431	1,354,264	1,378,567
Gross profit	190,576	202,267	548,044	598,394
Research and development	34,157	32,498	96,882	105,478
Selling, general and administrative	90,733	102,616	280,718	307,349
Interest	7,916	2,215	20,953	9,788
Restructuring	6,604	0	6,604	0
Other	442	283	1,327	10,656
Earnings before income taxes	50,724	64,655	141,560	165,123
Income taxes	14,393	16,533	37,871	47,179
Net earnings	$ 36,331	$ 48,122	$ 103,689	$ 117,944
Net earnings per share
Basic	$ 0.95	$ 1.09	$ 2.62	$ 2.62
Diluted	$ 0.94	$ 1.08	$ 2.59	$ 2.59
Average common shares outstanding
Basic	38,389,629	44,077,121	39,555,423	44,946,413
Diluted	38,744,620	44,669,248	39,963,142	45,541,561