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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 (€)	Jun. 30, 2024 EUR (€)	May 07, 2024	Feb. 29, 2024 EUR (€) € / shares	Dec. 31, 2023 USD ($)	Aug. 31, 2023 USD ($)	Mar. 31, 2023	Nov. 30, 2022 USD ($)
Business Acquisition [Line Items]
Goodwill	$ 1,847,856,000		$ 1,832,958,000								$ 1,739,468,000		$ 1,736,114,000
Additional preferred shares amount \| €				€ 18.7		€ 25.0
Assets recognized	1,392,117,000
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			$ 2,800,000
Nonconsolidated VIEs
Business Acquisition [Line Items]
Initial consolidation gain		$ 5,600,000
Tessellis \| OpNet
Business Acquisition [Line Items]
Ownership percentage	59.30%
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%
Our total equity balance	$ 201,600,000									$ 0
Investment voting percentage			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			€ 20.0		€ 115.1
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
OpNet
Business Acquisition [Line Items]
Intangible assets increase (decrease)					$ 39,300,000
Property and equipment increase (decrease)					12,300,000
Goodwill increase (decrease)					27,000,000
Goodwill	127,100,000				$ 100,100,000
Assets recognized	944,854,000
Liabilities assumed	585,369,000
OpNet \| Tessellis
Business Acquisition [Line Items]
Assets recognized			$ 20,600,000
Liabilities assumed			$ 17,400,000
Stratos
Business Acquisition [Line Items]
Interest at fair value		49.90%
Fair value percent of 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