Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Revenue:
Product	$ 476,306	$ 400,840	$ 315,691
Service	65,950	66,528	58,362
Total Revenue	542,256	467,368	374,053
Cost of Sales:
Product	272,706	231,040	192,454
Service	33,358	34,338	29,805
Total Cost of Sales	306,064	265,378	222,259
Gross Profit	236,192	201,990	151,794
Operating Expenses:
Selling and marketing	74,637	69,781	65,841
General and administrative	59,151	44,230	42,663
Research and development	21,893	14,785	14,945
Total Operating Expenses	155,681	128,796	123,449
Income From Operations	80,511	73,194	28,345
Interest expense	(849)	(1,283)	(1,418)
Interest income	544	368	366
Other (expense) income, net	(426)	1,026	(81)
Income Before Income Taxes	79,780	73,305	27,212
Provision for Income Taxes	28,224	22,363	8,636
Net Income	$ 51,556	$ 50,942	$ 18,576
Earnings Per Share
Basic (in dollars per share)	$ 3.24	$ 3.29	$ 1.14
Diluted (in dollars per share)	$ 3.21	$ 3.24	$ 1.14
Dividends declared per share	$ 1.05	$ 0.85	$ 0.60