CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 26, 2014		Sep. 27, 2013		Sep. 28, 2012
Revenues:
Product	$ 2,083,768		$ 2,055,718		$ 2,003,988
Service	966,032		887,179		803,027
Total revenues	3,049,800		2,942,897		2,807,015
Cost of revenues:
Product	1,314,597		1,295,492		1,247,278
Service	433,528		397,718		363,401
Total cost of revenues	1,748,125		1,693,210		1,610,679
Gross margin	1,301,675		1,249,687		1,196,336
Operating expenses:
Research and development	234,840		208,208		185,742
Selling, general and administrative	470,550		432,589		416,520
Litigation settlement	25,130
Total operating expenses	730,520		640,797		602,262
Operating earnings	571,155	[1]	608,890	[1]	594,074	[1]
Interest income	10,514		7,322		5,269
Interest expense	(7,159)		(4,129)		(3,419)
Earnings before taxes	574,510		612,083		595,924
Taxes on earnings	170,807		173,835		168,875
Net earnings	$ 403,703		$ 438,248		$ 427,049
Net earnings per share - basic	$ 3.88		$ 4.04		$ 3.83
Net earnings per share - diluted	$ 3.83		$ 3.98		$ 3.76
Shares used in the calculation of net earnings per share:
Weighted average shares outstanding - basic	103,964		108,352		111,376
Weighted average shares outstanding - diluted	105,271		110,053		113,473

[1] Operating earnings of reportable segments and Other include an allocation of corporate expenses based on a percentage of their sales.