Accrued Liabilities (Details) (USD $)	Mar. 31, 2011	Mar. 31, 2010
Notes to Financial Statements [Abstract]
Bankruptcy reorganization liability	$ 19,400,000
Other accrued expenses	112,454,000	60,211,000
Accrued liabilities	$ 131,839,000	$ 60,211,000

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from the bankruptcy reorganization.

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- Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 15
-Subparagraph 5
-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 15
-Subparagraph a
-Article 7

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy.

+ References

+ Details

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