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Note 1 - General (Details Textual) - December 31, 2015 [Member] $ in Millions	9 Months Ended
	Sep. 30, 2016 USD ($)
Reduction of Current Assets as Result of ASU 2015-03 [Member]
Prior Period Reclassification Adjustment	$ 1.4
Reduction of Other Assets as Result of ASU 2015-03 [Member]
Prior Period Reclassification Adjustment	5.6
Reduction of Long-term Debt as Result of ASU 2015-03 [Member]
Prior Period Reclassification Adjustment	$ 7.0

X

- Definition

The amount of a reclassification adjustment made to prior period financial statement amounts.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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X

- Details

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- Details

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