The additional authorized amount for debt instrument.

No definition available.

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The percent of principal amount required to be paid for early extinguishment of debt instrument.

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Pertains to ownership interest in the aggregate principal amount.

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The repayment fee percent for a debt instrument.

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No definition available.

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Represents the percentage of future royalties payments that would be considered a fee for repayment of a debt instrument.

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No definition available.

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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The price per share of the conversion feature embedded in the debt instrument.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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No definition available.

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Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

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No definition available.

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Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Fair value amount of debt instrument that was repurchased.

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Weighted average interest rate of debt outstanding.

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Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

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Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Balance Type:
Period Type:

Note 7 - Debt (Details Textual)			1 Months Ended	3 Months Ended			8 Months Ended	12 Months Ended	47 Months Ended
Note 7 - Debt (Details Textual)	Jul. 17, 2024 USD ($)	Jan. 09, 2024 USD ($) $ / shares	Feb. 28, 2019	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 28, 2024 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2024 USD ($)	Jan. 31, 2023 USD ($)	Feb. 18, 2019 USD ($)	Feb. 01, 2019 USD ($)	Jan. 31, 2013
Proceeds from Convertible Debt				$ 0	$ 230,000,000
Stock Repurchased During Period, Value		$ 50,000,000			$ 50,000,000		$ 40,200,000
Shares Acquired, Average Cost Per Share (in dollars per share) \| $ / shares		$ 0.9067
Long-Term Debt				$ 439,240,000			$ 439,240,000			$ 437,203,000
Line of Credit [Member]
Debt, Weighted Average Interest Rate				5.50%			5.50%			5.50%
Minimum [Member]
Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate				0.70%			0.70%
Maximum [Member]
Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate				4.50%			4.50%
The 2044 Notes [Member]
Debt Instrument, Face Amount	$ 250,000,000
Debt Instrument, Basis Spread on Variable Rate	7.50%
Debt Instrument, Repayment Fee, Percent	3.00%
Debt Instrument, Early Extinguishment, Percent of Principal Amount	150.00%
Debt Instrument, Repayment Fee, Royalty Percentage	80.00%
Debt Instrument, Additional Authorized Amount	$ 50,000,000
Long-Term Debt				$ 0			$ 0			$ 170,000
The 2044 Notes [Member] \| Debt Principal Amount After July 17, 2029 [Member]
Debt Instrument, Early Extinguishment, Percent of Principal Amount	200.00%
The 2044 Notes [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	4.00%
The 2029 Convertible Notes 1 [Member]
Debt Instrument, Face Amount		$ 230,000,000
Debt Instrument, Interest Rate, Stated Percentage		3.75%
Proceeds from Convertible Debt		$ 222,000,000
Embedded Derivative, Fair Value of Embedded Derivative Liability		$ 125,600,000
Embedded Derivative, Gain (Loss) on Embedded Derivative, Net						$ 26,250,000
Debt Instrument, Convertible, Conversion Ratio		869.5652
Debt Instrument, Convertible, Conversion Price (in dollars per share) \| $ / shares		$ 1.15
The 2029 Convertible Notes 1 [Member] \| Scenario, Event of Default [Member]
Debt Instrument, Redemption Price, Percentage		100.00%
Debt Instrument, Ownership Interest		25.00%
The 2029 Convertible Notes 1 [Member] \| Debt Instrument, Redemption, Period Two [Member]
Debt Instrument, Convertible, Threshold Consecutive Trading Days		10
The 2029 Convertible Affiliate Notes [Member]
Debt Instrument, Face Amount		$ 71,100,000
Debt Instrument, Interest Rate, Stated Percentage		3.75%
The 2023 Convertible Notes [Member]
Debt Instrument, Repurchase Amount		$ 55,000,000
Interest Payable		16,100,000
The 2023 Convertible Notes [Member] \| Convertible Debt [Member]
Debt Instrument, Face Amount		55,000,000
The 2025 Notes [Member] \| Convertible Debt [Member]
Debt Instrument, Face Amount		$ 170,000
The 2025 Notes [Member] \| Convertible Debt [Member] \| Scenario, Event of Default [Member]
Debt Instrument, Face Amount												$ 200,000,000
Debt Instrument, Interest Rate, Stated Percentage												4.50%
The 2025 Notes [Member] \| Convertible Debt [Member] \| Debt Instrument, Redemption, Period One [Member]
Debt Instrument, Convertible, Threshold Trading Days			20
Debt Instrument, Convertible, Threshold Consecutive Trading Days			30
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			130.00%
The 2025 Notes [Member] \| Convertible Debt [Member] \| Debt Instrument, Redemption, Period Two [Member]
Debt Instrument, Convertible, Threshold Trading Days			5
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger			98.00%
The 2025 Notes [Member] \| Convertible Debt [Member] \| Debt Instrument, Redemption, Period Three [Member]
Debt Instrument, Redemption Price, Percentage			100.00%
The 2033 Senior Notes [Member]
Long-Term Debt				$ 50,000			$ 50,000			$ 50,000
The 2033 Senior Notes [Member] \| Convertible Debt [Member]
Debt Instrument, Repurchase Amount													$ 28,800,000
Debt Conversion, Converted Instrument, Amount									$ 143,200,000
Repayments of Debt								$ 3,000,000
Long-Term Debt								$ 50,600
The 2033 Senior Notes [Member] \| Senior Notes [Member]
Debt Instrument, Face Amount											$ 175,000,000
Debt Instrument, Interest Rate, Stated Percentage														3.00%
Notes and Other Debt [Member]
Debt, Weighted Average Interest Rate				1.80%			1.80%			1.80%