CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 61,656	$ 51,326
Short-term investments	367,468	334,038
Restricted cash	3,604	3,604
Accounts receivable, net	55,917	64,922
Inventories	50,949	44,470
Deferred taxes and other current assets	15,466	18,147
Total current assets	555,060	516,507
Property and equipment, net	83,149	78,827
Severance assets	9,334	9,474
Intangible assets, net	39,708	42,067
Goodwill	200,743	200,743
Deferred taxes and other long-term assets	11,224	15,600
Total assets	899,218	863,218
Current liabilities:
Accounts payable	40,296	39,811
Accrued liabilities	62,522	61,974
Deferred revenue	16,665	14,758
Capital lease liabilities, current	1,098	1,102
Total current liabilities	120,581	117,645
Accrued severance	12,399	11,850
Deferred revenue	9,705	8,942
Capital lease liabilities	217	494
Other long-term liabilities	24,333	22,535
Total liabilities	167,235	161,466
Commitments and Contingencies (Note 7)
Shareholders' equity
Ordinary shares: NIS 0.0175 par value, 137,143 shares authorized, 0 and 43,999 shares issued and outstanding at December 31, 2014 and 2013, respectively	194	192
Additional paid-in capital	634,056	615,148
Accumulated other comprehensive loss	(3,195)	(4,020)
Retained earnings	100,928	90,432
Total shareholders' equity	731,983	701,752
Total liabilities and shareholders' equity	$ 899,218	$ 863,218