Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 29, 2015	Mar. 30, 2014
Current assets:
Cash and cash equivalents	$ 115,241	$ 91,258
Marketable securities	201,174	186,783
Accounts receivable, less allowance for doubtful accounts of $1,297 and $1,186 as of March 29, 2015 and March 30, 2014, respectively	87,436	65,213
Inventories	29,978	18,036
Deferred tax assets	12,545	15,080
Other current assets	21,802	16,590
Total current assets	468,176	392,960
Property and equipment, net	78,501	86,527
Goodwill	167,232	167,232
Purchased intangible assets, net	77,659	95,163
Deferred tax assets	36,335	32,827
Other assets	20,752	23,554
Total assets	848,655	798,263
Current liabilities:
Accounts payable	40,497	30,657
Accrued compensation	22,476	26,956
Accrued taxes	2,711	981
Deferred revenue	3,359	3,954
Other current liabilities	8,359	16,123
Total current liabilities	77,402	78,671
Accrued taxes	14,516	17,095
Other liabilities	9,721	9,071
Total liabilities	101,639	104,837
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; 215,549,000 and 213,786,000 shares issued as of March 29, 2015 and March 30, 2014, respectively	215	214
Additional paid-in capital	983,579	958,008
Retained earnings	1,722,664	1,672,071
Accumulated other comprehensive income (loss)	(99)	435
Treasury stock, at cost: 128,329,000 and 126,616,000 shares as of March 29, 2015 and March 30, 2014, respectively	(1,959,343)	(1,937,302)
Total stockholders' equity	747,016	693,426
Total liabilities and stockholders' equity	$ 848,655	$ 798,263