Acquisition - Summary of Identifiable Intangible Assets Amortized on a Straight Line Basis (Details) - USD ($) $ in Thousands			12 Months Ended
	May 30, 2023	Apr. 30, 2021	Mar. 31, 2024
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			11 years
EBI Step Acquisition [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value		$ 26,574
Weighted average useful life		8 years
RigNet, Inc [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value		$ 221,540
Weighted average useful life		10 years
Inmarsat Holdings [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value	$ 2,570,000
Weighted average useful life	11 years
Customer Relationships [Member] | EBI Step Acquisition [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value		$ 17,877
Weighted average useful life		8 years
Customer Relationships [Member] | RigNet, Inc [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value		$ 101,920
Weighted average useful life		12 years
Customer Relationships [Member] | Inmarsat Holdings [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value	$ 1,305,000
Weighted average useful life	11 years
Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			11 years
Other [Member] | EBI Step Acquisition [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value		$ 7,851
Weighted average useful life		7 years
Other [Member] | RigNet, Inc [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value		$ 8,640
Weighted average useful life		12 years
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			8 years
Trade Names [Member] | EBI Step Acquisition [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value		$ 846
Weighted average useful life		2 years
Trade Names [Member] | RigNet, Inc [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value		$ 25,540
Weighted average useful life		8 years
Trade Names [Member] | Inmarsat Holdings [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value	$ 85,000
Weighted average useful life	8 years
Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			7 years
Technology [Member] | RigNet, Inc [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value		$ 85,440
Weighted average useful life		8 years
Technology [Member] | Inmarsat Holdings [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value	$ 100,000
Weighted average useful life	7 years
Orbital Slots And Spectrum Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average useful life			12 years
Orbital Slots And Spectrum Assets [Member] | Inmarsat Holdings [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary fair value	$ 1,080,000
Weighted average useful life	12 years