Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 30, 2014	Mar. 31, 2013
Current assets:
Cash and cash equivalents	$ 91,258	$ 95,532
Marketable securities	186,783	359,974
Accounts receivable, less allowance for doubtful accounts of $1,186 and $1,196 as of March 30, 2014 and March 31, 2013, respectively	65,213	66,135
Inventories	18,036	20,160
Deferred tax assets	15,080	13,036
Other current assets	16,590	24,381
Total current assets	392,960	579,218
Property and equipment, net	84,912	96,336
Goodwill	194,107	110,976
Purchased intangible assets, net	69,903	4,054
Deferred tax assets	32,827	31,992
Other assets	23,554	2,587
Total assets	798,263	825,163
Current liabilities:
Accounts payable	30,657	29,668
Accrued compensation	26,956	27,453
Accrued taxes	981	4,559
Deferred revenue	3,954	4,676
Other current liabilities	16,123	7,651
Total current liabilities	78,671	74,007
Accrued taxes	17,095	10,772
Other liabilities	9,071	6,107
Total liabilities	104,837	90,886
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; 213,786,000 and 212,145,000 shares issued as of March 30, 2014 and March 31, 2013, respectively	214	212
Additional paid-in capital	958,008	932,557
Retained earnings	1,672,071	1,690,337
Accumulated other comprehensive income	435	1,887
Treasury stock, at cost: 126,616,000 and 122,185,000 shares as of March 30, 2014 and March 31, 2013, respectively	(1,937,302)	(1,890,716)
Total stockholders' equity	693,426	734,277
Total liabilities and stockholders' equity	$ 798,263	$ 825,163