Note 14 - Commitments and Contingencies Employee Related Obligations (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Total Incentive Retention And Severance Agreement Expenses Expected To Be Incurred	$ 9.0
Unrecorded Incentive Retention And Severance Agreement Expenses	$ 2.7

Total Incentive Retention And Severance Agreement Expenses Expected To Be Incurred

No definition available.

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