Income Taxes (Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits) (Details) (USD $) In Thousands	12 Months Ended
Mar. 31, 2011	Mar. 31, 2010
Income Taxes
Balance, beginning of fiscal year	$ 129,888	$ 221,401
Additions based on tax position related to the current year	12,443	10,605
Additions for tax positions of prior years	25,572	15,693
Reductions for tax positions of prior years	(35,090)	(63,134)
Reductions related to lapse of applicable statute of limitations	(2,342)	(3,123)
Settlements	(1,187)	(55,412)
Other	5,343	3,858
Balance, end of fiscal year	$ 134,627	$ 129,888

Income Tax Disclosure Abstract

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Unrecognized Tax Benefits, Period Increase (Decrease), Other

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The gross amount of unrecognized tax benefits (tax reductions recognized in financial reports but excluded from tax returns) pertaining to uncertain tax positions taken in tax returns as of the beginning balance sheet date, excluding amounts pertaining to examined tax returns.

+ References

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-Name FASB Interpretation (FIN)
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-Paragraph 21
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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

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