CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating activities:
Net loss	$ (38,567)	$ (67,023)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Amortization and impairment of software development costs and licenses	41,034	23,590
Depreciation and amortization	7,378	6,575
Amortization and impairment of intellectual property		32
Stock-based compensation	15,100	19,086
Amortization of discount on Convertible Notes	6,098	5,727
Amortization of debt issuance costs	381	398
Other, net	(3,171)	183
Changes in assets and liabilities:
Restricted cash	(57,335)	(60,315)
Accounts receivable	28,226	87,198
Inventory	2,696	8,341
Software development costs and licenses	(62,392)	(43,131)
Prepaid expenses, other current and other non-current assets	(3,867)	(20,693)
Deferred revenue	(36,446)	91,903
Deferred cost of goods sold	17,223	1,243
Accounts payable, accrued expenses and other liabilities	36,394	52,368
Net cash (used in) provided by operating activities	(47,248)	105,482
Investing activities:
Change in bank time deposits	78,691	(187,045)
Proceeds from available-for-sale securities	29,795
Purchases of available for sale securities	(30,836)	(444)
Purchases of fixed assets	(4,230)	(18,769)
Proceeds from sale of long-term investment	1,350
Purchase of long-term investments	(1,885)
Net cash provided by (used in) investing activities	72,885	(206,258)
Financing activities:
Excess tax benefit from stock-based compensation	887	8,066
Tax payment related to net share settlements on restricted stock awards	(25,166)	(6,541)
Net cash (used in) provided by financing activities	(24,279)	1,525
Effects of foreign currency exchange rates on cash and cash equivalents	(3,772)	3,915
Net decrease in cash and cash equivalents	(2,414)	(95,336)
Cash and cash equivalents, beginning of year	798,742	911,120
Cash and cash equivalents, end of year	$ 796,328	$ 815,784