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Note 3 - Derivative Instruments and Hedging Activities (Tables) | 6 Months Ended
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Jun. 30, 2016
Notes Tables |
Schedule Of Derivative Assets (Liabilities) at Fair Value [Table Text Block] |
|  | June 30, 2016 |  |  | December 31, 2015 |
Commodity contracts |  | $ | 82 |  |  | $ | (400 | )
Foreign currency contracts |  |  | 87 |  |  |  | (171 | )
Interest rate swaps |  |  | (4,733 | ) |  |  | (2,618 | )

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