SOFTWARE DEVELOPMENT COSTS AND LICENSES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Mar. 31, 2011
Capitalized software development costs and licenses
Software development costs and licenses, Current	$ 180,705	$ 131,676
Software development costs and licenses, Non-current	121,843	138,320
Software development costs and licenses related to titles that have not been released	291,904	263,082
Software development costs, internally developed
Capitalized software development costs and licenses
Software development costs and licenses, Current	114,889	65,297
Software development costs and licenses, Non-current	101,403	100,251
Software development costs, externally developed
Capitalized software development costs and licenses
Software development costs and licenses, Current	61,440	65,292
Software development costs and licenses, Non-current	14,440	38,069
Licenses
Capitalized software development costs and licenses
Software development costs and licenses, Current	4,376	1,087
Software development costs and licenses, Non-current	$ 6,000