CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 31, 2015
Current assets:
Cash and cash equivalents	$ 798,742	$ 911,120
Short-term Investments	470,820	186,929
Restricted cash	261,169	169,678
Accounts receivable, net of allowances of $45,552 and $70,471 at March 31, 2016 and 2015, respectively	168,527	217,860
Inventory	15,888	20,051
Software development costs and licenses	178,387	163,385
Deferred cost of goods sold	98,474	56,779
Prepaid expenses and other	53,269	54,057
Total current assets	2,045,276	1,779,859
Fixed assets, net	77,127	69,792
Software development costs and licenses, net of current portion	214,831	124,329
Deferred cost of goods sold, net of current portion	17,915	19,869
Goodwill	217,080	217,288
Other intangibles, net	4,609	4,769
Other assets	13,439	12,167
Total assets	2,590,277	2,228,073
Current liabilities:
Accounts payable	30,448	38,789
Accrued expenses and other current liabilities	607,479	444,738
Deferred revenue	582,484	482,733
Total current liabilities	1,220,411	966,260
Long-term debt	497,935	473,030
Non-current deferred revenue	216,319	164,618
Other long-term liabilities	74,227	61,077
Total liabilities	$ 2,008,892	$ 1,664,985
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value, 5,000 shares authorized: no shares issued and outstanding at March 31, 2016 and 2015
Common stock, $.01 par value, 200,000 shares authorized; 103,765 and 104,594 shares issued and 86,573 and 88,356 outstanding at March 31, 2016 and 2015, respectively	$ 1,038	$ 1,046
Additional paid-in capital	1,088,628	1,028,197
Treasury stock, at cost; 17,192 and 16,238 common shares at March 31, 2016 and 2015, respectively	(303,388)	(276,836)
Accumulated deficit	(166,997)	(158,695)
Accumulated other comprehensive loss	(37,896)	(30,624)
Total stockholders' equity	581,385	563,088
Total liabilities and stockholders' equity	$ 2,590,277	$ 2,228,073