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Note 4 - Derivative Instruments and Hedging Activities (Tables) | 6 Months Ended
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Jun. 30, 2019
Notes Tables |
Schedule Of Derivative Assets (Liabilities) at Fair Value [Table Text Block] |
|  | June 30, 201 9 |  |  | December 31, 201 8 |
Commodity contracts |  | $ | (65 | ) |  | $ | (160 | )
Foreign currency contracts |  |  | 72 |  |  |  | (117 | )
Interest rate swaps |  |  | (8,148 | ) |  |  | 8,307 |

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