SOFTWARE DEVELOPMENT COSTS AND LICENSES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012
Capitalized software development costs and licenses
Software development costs and licenses, Current	$ 199,813	$ 211,224
Software development costs and licenses, Non-current	74,327	104,755
Software development costs and licenses related to titles that have not been released	253,712	313,090
Software development costs, internally developed
Capitalized software development costs and licenses
Software development costs and licenses, Current	192,237	154,557
Software development costs and licenses, Non-current	34,415	84,315
Software development costs, externally developed
Capitalized software development costs and licenses
Software development costs and licenses, Current	3,858	53,542
Software development costs and licenses, Non-current	36,912	14,440
Licenses
Capitalized software development costs and licenses
Software development costs and licenses, Current	3,718	3,125
Software development costs and licenses, Non-current	$ 3,000	$ 6,000