RESTRUCTURING (Details) (USD $) In Thousands	12 Months Ended
	Mar. 31, 2011
RESTRUCTURING
Total restructuring and transition-related costs, minimum	$ 115,000
Total restructuring and transition-related costs, maximum	135,000
Restructuring Reserve.
Accrued charges	41,647
Payments	(12,601)
Ending Balance	29,046
Non-cash Charges	12,787
Transition-related costs	54,434
Remaining transition-related costs, minimum	61,000
Remaining transition-related costs, maximum	81,000
Severance and retention incentives
Restructuring Reserve.
Accrued charges	35,487
Payments	(12,276)
Ending Balance	23,211
Non-cash Charges	9,561
Transition-related costs	45,048
Remaining transition-related costs, minimum	32,000
Remaining transition-related costs, maximum	46,000
Other
Restructuring Reserve.
Accrued charges	6,160
Payments	(325)
Ending Balance	5,835
Non-cash Charges	3,226
Transition-related costs	9,386
Remaining transition-related costs, minimum	29,000
Remaining transition-related costs, maximum	$ 35,000