Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 31, 2015
Current assets:
Cash and cash equivalents	$ 210,711	$ 104,893
Marketable securities	128,003	101,392
Accounts receivable and unbilled costs, net of allowance for doubtful accounts of $5,069 and $173 at March 31, 2016 and 2015, respectively	247,199	82,226
Inventories	58,029	12,130
Prepaid income taxes	18,137	1,393
Deferred income taxes	0	21,755
Prepaid expenses and other current assets (related party balances of $44,161 and $0, respectively)	78,399	13,495
Total current assets	740,478	337,284
Fixed assets, net	62,033	23,864
Goodwill	1,709,369	197,445
Intangible assets, net	1,054,040	50,180
Deferred income taxes	6,206	0
Long-term marketable securities	13,361	58,572
Other assets	7,356	1,704
Total assets	3,592,843	669,049
Current liabilities:
Accounts payable (related party balances of $5,893 and $0, respectively)	43,969	13,077
Accrued compensation	82,303	36,553
Accrued other	32,045	14,474
Income taxes payable	2,091	107
Deferred revenue and customer deposits	296,648	123,422
Total current liabilities	457,056	187,633
Other long-term liabilities	2,903	1,995
Deferred tax liability	285,359	10,639
Accrued long-term retirement benefits	31,378	1,587
Long-term deferred revenue and customer deposits	68,129	26,961
Long-term debt	300,000	0
Contingent liabilities, net of current portion	4,636	4,484
Total liabilities	$ 1,149,461	$ 233,299
Commitments and contingencies (Note 16)
Stockholders’ equity:
Preferred stock, $0.001 par value: 5,000,000 shares authorized; no shares issued or outstanding at March 31, 2016 and 2015	$ 0	$ 0
Common stock, $0.001 par value: 150,000,000 shares authorized; 114,495,614 and 50,812,548 shares issued and 94,088,469 and 40,807,805 shares outstanding at March 31, 2016 and 2015, respectively	114	51
Additional paid-in capital	2,642,745	298,101
Accumulated other comprehensive loss	(1,501)	(4,645)
Treasury stock at cost, 20,407,145 and 10,004,743 shares at March 31, 2016 and 2015, respectively	(481,366)	(169,516)
Retained earnings	283,390	311,759
Total stockholders’ equity	2,443,382	435,750
Total liabilities and stockholders’ equity	$ 3,592,843	$ 669,049

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.