Accrued Annual Recurring Compensation Obligation

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- Definition

Aggregate Exit Compensation Payments Obligation

+ References

No definition available.

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- Definition

Annual Recurring Compensation Obligation

+ References

No definition available.

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- Definition

Compensation Paid

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No definition available.

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- Definition

Exit compensation payments.

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No definition available.

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- Definition

Expire Date of Exit Compensation

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No definition available.

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- Definition

Number of additional shares authorized to purchase.

+ References

No definition available.

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- Definition

Number of shares tendered.

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No definition available.

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- Definition

Percentage of guaranteed interest rate.

+ References

No definition available.

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- Definition

Percentage of guaranteed interest rate plus a variable component.

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No definition available.

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- Definition

Summary of significant accounting policy.

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No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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- Definition

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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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Summary of Significant Accounting Policies - Additional Information (Detail) € in Millions			3 Months Ended				6 Months Ended				12 Months Ended
	Jul. 21, 2026 USD ($)	Sep. 19, 2025 USD ($)	Jun. 30, 2026 EUR (€) shares	Jun. 30, 2026 USD ($) shares	Jun. 30, 2025 EUR (€) shares	Jun. 30, 2025 USD ($) shares	Jun. 30, 2026 EUR (€) shares	Jun. 30, 2026 USD ($) shares	Jun. 30, 2025 EUR (€) shares	Jun. 30, 2025 USD ($) shares	Dec. 31, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 04, 2024 USD ($)	Oct. 18, 2022 shares
Summary Of Significant Accounting Policy [Line Items]
Percentage of guaranteed interest rate			5.00%				5.00%					5.00%
Percentage of guaranteed interest rate plus a variable component			1.27%				1.27%					1.27%
Aggregate exit compensation payments obligation including guaranteed interest			€ 292.6				€ 292.6					$ 334,200,000
Expire date of exit compensation							Mar. 16, 2023	Mar. 16, 2023
Annual recurring compensation obligation							€ 7.6	$ 8,700,000
Annual Recurring Compensation Paid											$ 8,900,000
Accrued annual recurring compensation obligation				$ 2,100,000		$ 2,400,000		$ 4,300,000		$ 4,800,000
Number of shares tendered \| shares			400,000	400,000	900,000	900,000	600,000	600,000	900,000	900,000
3.75% Convertible Senior Notes Due 2030 [Member]
Summary Of Significant Accounting Policy [Line Items]
Principal amount of long term debt		$ 201,300,000
Debt instrument, interest rate, stated percentage		3.75%
Debt instrument, maturity date		Sep. 15, 2030
Net proceeds		$ 192,600,000
Wells Fargo Credit Agreement [Member] \| Acorn HoldCo, Inc., [Member]
Summary Of Significant Accounting Policy [Line Items]
Credit agreement maximum borrowing capacity													$ 350,000,000
Available for future borrowings												$ 318,200,000
New Credit Agreement [Member] \| Subsequent Events [Member]
Summary Of Significant Accounting Policy [Line Items]
Credit agreement maximum borrowing capacity	$ 350,000,000
Term of credit agreement	5 years
Adtran Networks [Member]
Summary Of Significant Accounting Policy [Line Items]
Number of shares tendered \| shares			400,000	400,000	900,000	900,000	600,000	600,000	900,000	900,000
Exit compensation payments			€ 11.7	$ 13,800,000	€ 16.9	$ 19,400,000	€ 11.7	$ 13,800,000	€ 16.9	$ 19,400,000
Adtran Networks [Member] \| Maximum [Member]
Summary Of Significant Accounting Policy [Line Items]
Number of additional shares authorized to purchase \| shares														15,346,544