Consolidated Statements Of Earnings (USD $) In Thousands, except Per Share data	12 Months Ended
	Sep. 30, 2011	Oct. 01, 2010	Oct. 02, 2009
Revenues:
Product	$ 1,970,447	$ 1,813,646	$ 1,766,929
Service contracts and other	626,219	542,939	447,131
Total revenues	2,596,666	2,356,585	2,214,060
Cost of revenues:
Product	1,151,561	1,055,150	1,013,973
Service contracts and other	309,216	275,793	239,582
Total cost of revenues	1,460,777	1,330,943	1,253,555
Gross margin	1,135,889	1,025,642	960,505
Operating expenses:
Research and development	170,725	156,748	147,375
Selling, general and administrative	376,713	334,692	338,984
Total operating expenses	547,438	491,440	486,359
Operating earnings	588,451	534,202	474,146
Interest income	2,858	2,831	4,594
Interest expense	(2,599)	(4,108)	(4,097)
Earnings from continuing operations before taxes	588,710	532,925	474,643
Taxes on earnings	180,084	165,444	143,167
Earnings from continuing operations	408,626	367,481	331,476
Loss from discontinued operations, net of taxes	(9,693)	(7,059)	(12,454)
Net Earnings	$ 398,933	$ 360,422	$ 319,022
Net earnings (loss) per share - basic:
Continuing operations	$ 3.50	$ 3.02	$ 2.67
Discontinued operations	$ (0.08)	$ (0.06)	$ (0.10)
Net earnings per share	$ 3.42	$ 2.96	$ 2.57
Net earnings (loss) per share - diluted:
Continuing operations	$ 3.44	$ 2.96	$ 2.65
Discontinued operations	$ (0.08)	$ (0.05)	$ (0.10)
Net earnings per share	$ 3.36	$ 2.91	$ 2.55
Shares used in the calculation of net earnings (loss) per share:
Weighted average shares outstanding-basic	116,703	121,816	124,034
Weighted average shares outstanding-diluted	118,735	124,025	124,995