Goodwill and Acquired Intangible Assets	6 Months Ended
Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Acquired Intangible Assets	Note 6 — Goodwill and Acquired Intangible Assets During the six months ended September 30, 2024, the insignificant increase in the Company’s goodwill was primarily related to foreign currency translation effect recorded within both of the Company's segments. During the six months ended September 30, 2023, the increase in the Company’s goodwill was primarily related to the Inmarsat Acquisition (see Note 4 — Acquisition for more information) and foreign currency translation effect recorded within both of the Company’s segments. Other acquired intangible assets are amortized using the straight-line method over their estimated useful lives of two to 20 years (which approximates the economic pattern of benefit). Amortization expense related to other acquired intangible assets was $66.0 million and $81.4 million for the three months ended September 30, 2024 and 2023, respectively, and $132.2 million and $109.2 million for the six months ended September 30, 2024 and 2023, respectively.

Goodwill and Acquired Intangible Assets

6 Months Ended

Sep. 30, 2024

Goodwill and Intangible Assets Disclosure [Abstract]

Note 6 — Goodwill and Acquired Intangible Assets

During the six months ended September 30, 2024, the insignificant increase in the Company’s goodwill was primarily related to foreign currency translation effect recorded within both of the Company's segments. During the six months ended September 30, 2023, the increase in the Company’s goodwill was primarily related to the Inmarsat Acquisition (see Note 4 — Acquisition for more information) and foreign currency translation effect recorded within both of the Company’s segments.

Other acquired intangible assets are amortized using the straight-line method over their estimated useful lives of two to 20 years (which approximates the economic pattern of benefit). Amortization expense related to other acquired intangible assets was $66.0 million and $81.4 million for the three months ended September 30, 2024 and 2023, respectively, and $132.2 million and $109.2 million for the six months ended September 30, 2024 and 2023, respectively.