ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Software development royalties	$ 57,077	$ 31,689
Income tax payable and deferred tax liability	46,382	38,490
Licenses	28,137	32,706
Compensation and benefits	25,132	15,435
Marketing and promotions	21,626	9,771
Rent and deferred rent obligations	6,451	5,511
Professional fees	6,324	4,387
Deferred consideration for acquisitions	2,498	1,399
Other	17,798	17,380
Accrued expenses and other current liabilities	$ 211,425	$ 156,768