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Note 3 - Commitments and Contingencies (Details) (Former Chairman [Member], USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2013
Former Chairman [Member] |  |
Note 3 - Commitments and Contingencies (Details) [Line Items] |  |
Retirement Pay and Benefits | $ 10.8 | $ 10.8
Other Postretirement Benefits Payable | 0.9 | 0.9
Other Postretirement Benefits Payable, Noncurrent | $ 2.7 | $ 2.7

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