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Debt Instrument, Cash Amendment Fee

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Investments in Associated Companies [Abstract]

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of realized gain (loss) on investment in debt and equity securities.

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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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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Fair value portion of investments accounted under the equity method.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of unrealized gain (loss) on investment in marketable security.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Investments - Long-Term Investments (Details) $ / shares in Units, $ in Thousands				3 Months Ended
	Jun. 09, 2023 USD ($)	Mar. 09, 2023 USD ($)	Feb. 28, 2019 $ / shares	Mar. 31, 2023 USD ($) $ / shares	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Equity securities - U.S.
Long-Term Investments Balance				$ 305,960		$ 309,697
Investments in Associated Companies:
Loss of associated companies, net of taxes				3,967	$ 4,643
Total				3,967	4,643
Repayments in principal amount				17	25
Convertible Senior Note Due 2024 \| Senior Notes \| Steel Connect, Inc (STCN)
Investments in Associated Companies:
Repayments in principal amount		$ 1,000
Cash amendment fee		$ 150
Convertible Senior Note Due 2024 \| Senior Notes \| Steel Connect, Inc (STCN) \| Scenario, Forecast
Investments in Associated Companies:
Repayments in principal amount	$ 1,000
Aerojet Rocketdyne Holdings, Inc.
Investments in Associated Companies:
Unrealized gain (loss)				192,559	145,881
Steel Connect, Inc (STCN)
Equity securities - U.S.
Long-Term Investments Balance				$ 20,727		$ 26,000
Ownership percentage				29.90%		30.00%
Investments in Associated Companies:
Loss of associated companies, net of taxes				$ 3,999	3,876
Steel Connect, Inc (STCN) \| Common Stock \| Convertible Senior Note Due 2024 \| Senior Notes
Investments in Associated Companies:
Conversion ratio			0.4213
Steel Connect, Inc (STCN) \| Common Stock \| Convertible Senior Note Due 2024 \| Senior Notes \| Steel Connect, Inc (STCN)
Investments in Associated Companies:
Debt conversion price (in dollars per share) \| $ / shares			$ 2.37
Ownership percentage if converted				49.60%
PCS Mosaic
Equity securities - U.S.
Long-Term Investments Balance				$ 23,323		$ 23,323
Ownership percentage				59.00%		59.00%
Preferred stock \| Steel Connect, Inc (STCN)
Equity securities - U.S.
Long-Term Investments Balance				$ 35,000		$ 35,000
Investments in Associated Companies:
Realized gain (loss)				0	400
Cost				$ 35,688		35,688
Debt conversion price (in dollars per share) \| $ / shares				$ 1.96
Convertible notes \| Steel Connect, Inc (STCN)
Investments in Associated Companies:
Cost				$ 13,940		14,943
Net investment (loss) gain \| Aerojet Rocketdyne Holdings, Inc.
Equity securities - U.S.
Long-Term Investments Balance				$ 202,141		$ 201,278
Ownership percentage				4.50%		4.50%
Net investment (loss) gain \| Other long-term investments
Equity securities - U.S.
Long-Term Investments Balance				$ 11,206		$ 9,575
Net investment (loss) gain \| Steel Connect, Inc. ("STCN") convertible notes \| Steel Connect, Inc (STCN)
Equity securities - U.S.
Long-Term Investments Balance				13,563		$ 14,521
Investments in Associated Companies:
Realized gain (loss)				$ (32)	$ 367