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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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Business Acquisitions - Narrative (Details) € / shares in Units, € in Millions			1 Months Ended	3 Months Ended
	Nov. 30, 2023 USD ($)	Sep. 14, 2023 USD ($)	Aug. 31, 2024 USD ($)	May 31, 2024 EUR (€) € / shares	Feb. 29, 2024 USD ($)	Feb. 29, 2024 EUR (€) € / shares	Nov. 30, 2024 USD ($)	Nov. 30, 2024 EUR (€)	Jun. 30, 2024 EUR (€)	May 07, 2024	Dec. 31, 2023 USD ($)	Mar. 31, 2023	Nov. 30, 2022 USD ($)
Business Acquisition [Line Items]
Goodwill	$ 1,847,856,000						$ 1,827,938,000						$ 1,736,114,000
Additional preferred shares amount \| €				€ 18.7		€ 25.0
Liabilities assumed	941,711,000
Discontinued Operations, Disposed of by Sale \| OpNet
Business Acquisition [Line Items]
Sale of subsidiary			$ 322,800,000
Gain on sale of disposal			$ 3,500,000
Nonconsolidated VIEs
Business Acquisition [Line Items]
Initial consolidation gain		$ 5,600,000
Stratos
Business Acquisition [Line Items]
Our total equity balance		$ 47,900,000
Stratos \| Discount rate/yield
Business Acquisition [Line Items]
Equity method investment, measurement input		24.50%
Stratos \| Global Brokerage Inc
Business Acquisition [Line Items]
Ownership percentage												50.10%
OpNet
Business Acquisition [Line Items]
Ownership percentage							47.40%	47.40%		72.50%
Our total equity balance	201,600,000										$ 0
Investment voting percentage							50.00%	50.00%
Increase (decrease) in ownership percentage										57.50%
Increase (decrease) in voting percentage										72.60%
Conversion of loan receivable for preferred stock issued \| €				€ 20.0		€ 115.1			€ 20.0
Conversion price of loan receivable for preferred stock (in euros per share) \| € / shares				€ 10.00		€ 10.00
Difference between carrying amount and underlying equity	115,800,000
Tessellis
Business Acquisition [Line Items]
Ownership percentage							97.20%	97.20%
Our total equity balance \| €								€ 4.1
OpNet
Business Acquisition [Line Items]
Goodwill	127,100,000
Intangible assets increase (decrease)					$ 39,300,000
Property and equipment increase (decrease)					12,300,000
Goodwill increase (decrease)					$ 27,000,000
Assets recognized	944,854,000
Liabilities assumed	585,369,000
OpNet \| Tessellis
Business Acquisition [Line Items]
Assets recognized							$ 24,500,000
Liabilities assumed							18,800,000
Stratos
Business Acquisition [Line Items]
Interest at fair value		49.90%
Fair value percentage, identifiable assets and assumed liabilities		100.00%
Acquisition of additional interests		50.10%
Extinguishment of debt		$ 39,200,000
Step acquisition remeasurement gain	900,000	4,700,000
Consideration transferred		$ 0
Goodwill							$ 5,500,000
Assets recognized	447,263,000
Liabilities assumed	$ 356,342,000