CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Apr. 01, 2012
Current assets:
Cash and cash equivalents	$ 95,532	$ 164,516
Marketable securities	359,974	373,439
Accounts receivable, less allowance for doubtful accounts of $1,196 and $1,446 as of March 31, 2013 and April 1, 2012, respectively	66,135	76,588
Inventories	20,160	19,724
Deferred tax assets	13,036	16,780
Other current assets	24,381	35,842
Total current assets	579,218	686,889
Property and equipment, net	96,336	78,010
Goodwill	110,976	110,976
Purchased intangible assets, net	4,054	5,277
Deferred tax assets	31,992	30,558
Other assets	2,587	1,708
Total assets	825,163	913,418
Current liabilities:
Accounts payable	29,668	34,198
Accrued compensation	27,453	28,326
Accrued taxes	4,559	2,799
Deferred revenue	4,676	6,504
Other current liabilities	7,651	9,390
Total current liabilities	74,007	81,217
Accrued taxes	10,772	64,853
Other liabilities	6,107	7,505
Total liabilities	90,886	153,575
Commitments and contingencies
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; 212,145,000 and 210,688,000 shares issued as of March 31, 2013 and April 1, 2012, respectively	212	211
Additional paid-in capital	932,557	901,734
Retained earnings	1,690,337	1,617,201
Accumulated other comprehensive income	1,887	1,033
Treasury stock, at cost: 122,185,000 and 111,911,000 shares as of March 31, 2013 and April 1, 2012, respectively	(1,890,716)	(1,760,336)
Total stockholders' equity	734,277	759,843
Total liabilities and stockholders' equity	$ 825,163	$ 913,418