Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Oct. 02, 2011	Apr. 03, 2011
Current assets:
Cash and cash equivalents	$ 74,654	$ 147,780
Marketable securities	316,267	236,296
Accounts receivable, less allowance for doubtful accounts of $1,611 and $1,536 as of October 2, 2011 and April 3, 2011, respectively	86,522	70,134
Inventories	23,508	26,931
Deferred tax assets	18,202	17,754
Other current assets	17,518	20,753
Total current assets	536,671	519,648
Property and equipment, net	81,928	77,134
Goodwill	119,748	119,748
Purchased intangible assets, net	11,315	12,694
Deferred tax assets	24,368	25,333
Other assets	2,454	2,650
Total assets	776,484	757,207
Current liabilities:
Accounts payable	38,549	34,816
Accrued compensation	22,222	25,858
Accrued taxes	3,686	6,012
Deferred revenue	10,115	10,431
Other current liabilities	7,838	5,221
Total current liabilities	82,410	82,338
Accrued taxes	61,175	62,565
Deferred revenue	4,032	5,169
Other liabilities	6,163	5,971
Total liabilities	153,780	156,043
Stockholders' equity:
Preferred stock, $0.001 par value; 1,000,000 shares authorized; no shares issued and outstanding
Common stock, $0.001 par value; 500,000,000 shares authorized; 209,234,000 and 208,042,000 shares issued as of October 2, 2011 and April 3, 2011, respectively	209	208
Additional paid-in capital	867,183	844,546
Retained earnings	1,448,845	1,387,765
Accumulated other comprehensive income	81	614
Treasury stock, at cost: 107,504,000 and 103,325,000 shares as of October 2, 2011 and April 3, 2011, respectively	(1,693,614)	(1,631,969)
Total stockholders' equity	622,704	601,164
Total liabilities and stockholders' equity	$ 776,484	$ 757,207