CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Mar. 31, 2017
Current assets:
Cash and cash equivalents	$ 808,973	$ 943,396
Short-term investments	615,406	448,932
Restricted cash	437,398	337,818
Accounts receivable, net of allowances of $54,290 and $66,483 at March 31, 2018 and 2017, respectively	247,649	219,558
Inventory	15,162	16,323
Software development costs and licenses	33,284	41,721
Deferred cost of goods sold	117,851	127,901
Prepaid expenses and other	133,454	59,593
Total current assets	2,409,177	2,195,242
Fixed assets, net	102,478	67,300
Software development costs and licenses, net of current portion	639,369	381,910
Deferred cost of goods sold, net of current portion	26,719	0
Goodwill	399,530	359,115
Other intangibles, net	103,681	110,262
Other assets	56,887	35,325
Total assets	3,737,841	3,149,154
Current liabilities:
Accounts payable	35,029	31,892
Accrued expenses and other current liabilities	914,748	750,875
Deferred revenue	777,152	903,125
Total current liabilities	1,726,929	1,685,892
Long-term debt	8,068	251,929
Non-current deferred revenue	355,589	10,406
Other long-term liabilities	158,285	197,199
Total liabilities	2,248,871	2,145,426
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value, 5,000 shares authorized: no shares issued and outstanding at March 31, 2018 and 2017	0	0
Common stock, $.01 par value, 200,000 shares authorized; 132,743 and 119,813 shares issued and 114,038 and 102,621 outstanding at March 31, 2018 and 2017, respectively	1,327	1,198
Additional paid-in capital	1,888,039	1,452,754
Treasury stock, at cost; 18,705 and 17,192 common shares at March 31, 2018 and 2017, respectively	(458,180)	(303,388)
Retained earnings (accumulated deficit)	73,516	(99,694)
Accumulated other comprehensive loss	(15,732)	(47,142)
Total stockholders' equity	1,488,970	1,003,728
Total liabilities and stockholders' equity	$ 3,737,841	$ 3,149,154