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v3.25.1

Subsequent Events - Additional Information (Detail) € in Thousands, $ in Thousands, shares in Millions |  |  | 3 Months Ended
--- | --- | --- | ---
May 06, 2025 USD ($) | Apr. 14, 2025 EUR (€) shares | Apr. 14, 2025 USD ($) shares | Mar. 31, 2025 EUR (€) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 EUR (€) | Mar. 31, 2024 USD ($)
Subsequent Event [Line Items] |  |  |  |  |  |  |
Exit compensation payments |  |  |  | € 12 | $ 13 | € 4 | $ 5
Wells Fargo Credit Agreement Fifth Amendment [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Secured revolving credit facility amount |  |  |  |  | 374,000 |  |
Credit facility, average outstanding amount |  |  |  |  | 74,000 |  |
Adtran Networks [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Exit compensation payments |  |  |  | € 12 | $ 13 | € 4 | $ 5
Subsequent Events [Member] | Wells Fargo Credit Agreement Fifth Amendment [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Secured revolving credit facility amount | $ 350,000 |  |  |  |  |  |
Credit facility, average outstanding amount | 50,000 |  |  |  |  |  |
Threshold prepayments of outstanding loans german commitment reduction amount | 25,000 |  |  |  |  |  |
Subsequent Events [Member] | Adtran Networks [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Number of shares tendered | shares |  | 0.4 | 0.4 |  |  |  |
Exit compensation payments |  | € 7,000 | $ 7,500 |  |  |  |
Subsequent Events [Member] | Adtran Networks [Member] | Wells Fargo Credit Agreement Fifth Amendment [Member] |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Prepayment of outstanding revolving loans | $ 24,000 |  |  |  |  |  |

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- Definition Exit compensation payments. + References No definition available. + Details
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- Definition Number of shares tendered. + References No definition available. + Details
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- Definition Threshold prepayments of outstanding loans german commitment reduction amount. + References No definition available. + Details
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- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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- Definition The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-15 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
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- Details
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- Details
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- Details
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