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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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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Equity and Long-Term Investments and Fair Value Measurements - Equity and Other Investments in Armata (Details) - Armata - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	May 31, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Equity Investment
Number of warrants owned		10,653,847		10,653,847
Number of shares owned		25,076,769		25,076,769
Principal amount of convertible notes owned		$ 30.1		$ 30.1
Equity method investment ownership percentage		67.50%		67.50%
Credit and Security Agreement [Member]
Equity Investment
Aggregate principal amount	$ 25.0
Debt Instrument, annual interest rate	14.00%
Debt instrument maturity date	Jan. 11, 2029
Common stock and warrants
Equity Investment
Unrealized gain			$ 13.1	$ 25.8
Unrealized loss		$ 131.8			$ 0.4
Warrants
Equity Investment
Equity and long-term investments at fair value		57.0		57.0		$ 36.2
Common stock
Equity Investment
Equity and long-term investments at fair value		162.5		162.5		157.5
Armata Convertible Note
Equity Investment
Principal amount of term loans owned		110.1		110.1
Equity and long-term investments at fair value		105.0		105.0		101.4
Unrealized gain			6.2	3.7	1.9
Unrealized loss		43.3
ArmataTerm Loan
Equity Investment
Equity and long-term investments at fair value		133.1		133.1		$ 102.8
Unrealized gain		$ 4.5	$ 2.9	$ 5.3	$ 3.9