Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Revenue:
Product	$ 400,840	$ 315,691	$ 349,502
Service	66,528	58,362	59,379
Total Revenue	467,368	374,053	408,881
Cost of Sales:
Product	231,040	192,454	224,279
Service	34,338	29,805	32,986
Total Cost of Sales	265,378	222,259	257,265
Gross Profit	201,990	151,794	151,616
Operating Expenses:
Selling and marketing	69,781	65,841	71,571
General and administrative	44,230	42,663	39,129
Research and development	14,785	14,945	16,322
Total Operating Expenses	128,796	123,449	127,022
Income From Operations	73,194	28,345	24,594
Interest expense	(1,283)	(1,418)	(2,024)
Interest income	368	366	1,108
Other income (expense), net	1,026	(81)	225
Income Before Income Taxes	73,305	27,212	23,903
Provision for Income Taxes	22,363	8,636	6,509
Net Income	$ 50,942	$ 18,576	$ 17,394
Earnings Per Share
Basic (in dollars per share)	$ 3.29	$ 1.14	$ 1.04
Diluted (in dollars per share)	$ 3.24	$ 1.14	$ 1.03