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Note 6 - Fair Value Measurements (Details Textual) - Foreign Exchange Forward [Member] $ in Thousands	Oct. 01, 2020 USD ($)	Oct. 01, 2020 CAD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2020 CAD ($)
Derivative, Notional Amount				$ 6,955
Payments for Derivative Instrument, Financing Activities	$ 5,281	$ 6,955
Derivative, Gain (Loss) on Derivative, Net, Total	$ (48,000)
Fair Value, Inputs, Level 2 [Member]
Derivative Liability, Total			$ 76,000

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
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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. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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-Name Accounting Standards Codification
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- Definition

Nominal or face amount used to calculate payment on derivative.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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- Definition

The cash outflow for derivative instruments during the period, which are classified as financing activities, excluding those designated as hedging instruments.

+ References

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-Name Accounting Standards Codification
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