Consolidated Condensed Statements Of Earnings (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014	Mar. 30, 2013
Income Statement [Abstract]
NET SALES	$ 649,878	$ 643,023	$ 1,293,263	$ 1,263,826
COST OF SALES	453,060	445,600	897,136	873,703
GROSS PROFIT	196,818	197,423	396,127	390,123
Research and development	37,225	38,113	72,980	70,441
Selling, general and administrative	104,832	100,795	204,733	205,870
Interest	2,444	6,442	7,573	15,038
Restructuring	0	2,201	0	2,201
Other	(1,294)	(88)	10,373	(2,458)
EARNINGS BEFORE INCOME TAXES	53,611	49,960	100,468	99,031
INCOME TAXES	15,886	13,433	30,646	28,386
NET EARNINGS	$ 37,725	$ 36,527	$ 69,822	$ 70,645
NET EARNINGS PER SHARE
Basic	$ 0.83	$ 0.81	$ 1.54	$ 1.56
Diluted	$ 0.82	$ 0.80	$ 1.52	$ 1.54
AVERAGE COMMON SHARES OUTSTANDING
Basic	45,377,465	45,333,612	45,381,058	45,343,312
Diluted	45,945,398	45,825,626	45,977,716	45,766,798