Note 16 - Commitments and Contingencies Employee Related Obligations (Details) (USD $) In Millions	Sep. 30, 2011
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Deferred Compensation Cash-based Arrangements, Liability, Current and Noncurrent	$ 6.8
Other Deferred Compensation Arrangements, Liability, Current and Noncurrent	7.3
Total Incentive Retention And Severance Agreement Expenses Expected To Be Incurred	8.6
Unrecorded Incentive Retention And Severance Agreement Expenses	$ 3.7

Total Incentive Retention And Severance Agreement Expenses Expected To Be Incurred

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Unrecorded Incentive Retention And Severance Agreement Expenses

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements. Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date.

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Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements other than those specified elsewhere in the taxonomy.

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