INCOME TAXES COMPONENTS OF INCOME TAX PROVISION (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010
Income Tax Disclosure [Abstract]
Current Federal Tax Expense (Benefit)	$ 2,012	$ (2,955)	$ 30,095
Current State and Local Tax Expense (Benefit)	352	1,331	2,819
Current Foreign Tax Expense (Benefit)	138	1,607	729
Current Income Tax Expense (Benefit)	2,502	(17)	33,643
Deferred Federal Income Tax Expense (Benefit)	137,642	74,084	6,790
Deferred State and Local Income Tax Expense (Benefit)	16,359	7,999	472
Deferred Foreign Income Tax Expense (Benefit)	(548)	0	262
Deferred Income Tax Expense (Benefit)	153,453	82,083	7,524
Income tax expense	$ 155,955	$ 82,066	$ 41,167