CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Operating activities:
Net income (loss)	$ (29,491)	$ (108,816)	$ 48,458
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Amortization and impairment of software development costs and licenses	230,748	150,700	143,811
Depreciation and amortization	10,634	12,123	14,999
(Income) loss from discontinued operations	(1,671)	1,116	5,346
Amortization and impairment of intellectual property	7,000	983	3,927
Stock-based compensation	35,765	33,494	28,765
Gain on sale of intellectual property		(2,200)
Deferred income taxes	(841)	1,878	(1,095)
Amortization of discount on Convertible Notes	18,862	11,728	7,374
Amortization of debt issuance costs	2,021	1,527	1,251
Other, net	778	1,231	(1,097)
Changes in assets and liabilities, net of effect from purchases of businesses:
Accounts receivable	(144,561)	39,182	(10,082)
Inventory	(7,741)	2,101	(99)
Software development costs and licenses	(216,893)	(191,223)	(156,782)
Prepaid expenses, other current and other non-current assets	(5,694)	2,537	16,943
Deferred revenue	13,055	430	1,490
Accounts payable, accrued expenses and other liabilities	83,734	(39,748)	41,217
Net cash used in discontinued operations	(272)	(2,007)	(9,628)
Net cash (used in) provided by operating activities	(4,567)	(84,964)	134,798
Investing activities:
Purchase of fixed assets	(16,820)	(10,786)	(9,653)
Net cash used in discontinued operations		(1,475)
Cash received from sale of intellectual property		2,200
Cash received from sale of business			3,075
Payments in connection with business combinations, net of cash acquired		(4,101)	(1,000)
Net cash used in investing activities	(16,820)	(14,162)	(7,578)
Financing activities:
Proceeds from exercise of employee stock options		239	734
Proceeds from issuance of Convertible Notes		250,000
Payment of debt issuance costs		(6,875)
Net cash provided by financing activities		243,364	734
Effects of foreign currency exchange rates on cash and cash equivalents	3,610	(4,318)	6,567
Net (decrease) increase in cash and cash equivalents	(17,777)	139,920	134,521
Cash and cash equivalents, beginning of year	420,279	280,359	145,838
Cash and cash equivalents, end of period	402,502	420,279	280,359
Supplemental data:
Interest paid	11,230	6,992	7,361
Income taxes paid	$ 4,702	$ 1,018	$ 6,336