Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Mar. 31, 2015
Current assets:
Cash and cash equivalents	$ 230,521	$ 104,893
Marketable securities	127,751	101,392
Accounts receivable and unbilled costs, net of allowance for doubtful accounts of $4,720 and $173 at December 31, 2015 and March 31, 2015, respectively	244,957	82,226
Inventories	63,427	12,130
Prepaid income taxes	37,795	1,393
Deferred income taxes	0	21,755
Prepaid expenses and other current assets (related party balances of $28,733 and $0, respectively)	49,421	13,495
Total current assets	753,872	337,284
Fixed assets, net	58,663	23,864
Goodwill	1,693,876	197,445
Intangible assets, net	1,075,532	50,180
Deferred income taxes	27,435	0
Long-term marketable securities	17,961	58,572
Other assets	7,775	1,704
Total assets	3,635,114	669,049
Current liabilities:
Accounts payable (related party balances of $5,009 and $0, respectively)	52,660	13,077
Accrued compensation	100,817	36,553
Accrued other	23,828	14,474
Income taxes payable	0	107
Deferred revenue and customer deposits	255,822	123,422
Total current liabilities	433,127	187,633
Other long-term liabilities	2,291	1,995
Deferred tax liability	330,254	10,639
Accrued long-term retirement benefits	28,977	1,587
Long-term deferred revenue and customer deposits	56,570	26,961
Long-term debt	250,000	0
Contingent liabilities, net of current portion	4,598	4,484
Total liabilities	$ 1,105,817	$ 233,299
Commitments and contingencies
Preferred stock, $0.001 par value:
5,000,000 shares authorized; no shares issued or outstanding at December 31, 2015 and March 31, 2015	$ 0	$ 0
Common stock, $0.001 par value:
150,000,000 shares authorized; 114,075,319 and 50,812,548 shares issued and 98,570,412 and 40,807,805 shares outstanding at December 31, 2015 and March 31, 2015, respectively	114	51
Additional paid-in capital	2,627,807	298,101
Accumulated other comprehensive loss	(3,688)	(4,645)
Treasury stock at cost, 15,504,907 and 10,004,743 shares at December 31, 2015 and March 31, 2015, respectively	(381,942)	(169,516)
Retained earnings	287,006	311,759
Total stockholders’ equity	2,529,297	435,750
Total liabilities and stockholders’ equity	$ 3,635,114	$ 669,049