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Note 14 - Commitments and Contingencies Purchase Committment, Excluding Long Term Committment (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Purchase Commitment, Remaining Minimum Amount Committed	$ 9.7

The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity has agreed to expend funds to procure goods or services from one or more suppliers, other than under a long-term purchase commitment or an unconditional purchase obligation.

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