Note 10 - Derivative Financial Instruments (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 27, 2015 |
Sep. 28, 2014 |
Sep. 27, 2015 |
Sep. 28, 2014 |
Dec. 28, 2014 |
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| Cost of Sales [Member] | |||||
| Unrealized Gain (Loss) on Derivatives | $ 805 | $ 923 | $ 334 | $ 171 | |
| Gain (Loss) on Sale of Derivatives | (1,237) | $ (90) | 3,119 | $ 863 | |
| Derivative Liability, Current | $ 3,037 | $ 3,037 | $ 2,703 | ||
| X | ||||||||||
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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