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Business Segment Information (Tables) | 3 Months Ended
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Mar. 31, 2026
Segment Reporting [Abstract] |
Business segment information | Financial data from continuing operations for TDS’ reportable segments for the three months ended March 31, 2026 and 2025, is as follows:
Three Months Ended March 31, 2026 | TDS Telecom | Array | Total
(Dollars in thousands) |  |  |
Revenues from external customers | $ | 249,568 |  | $ | 51,967 |  | $ | 301,535 |
Intersegment revenues | 4 |  | 45 |  | 49 |
| 249,572 |  | 52,012 |  | 301,584 |
Reconciliation of revenue: |  |  |
All Other revenues 1 |  |  | 7,915 |
Elimination of intersegment revenues |  |  | (49) |
Total operating revenues |  |  | $ | 309,450 |
Add back or deduct 2: |  |  |
Cost of operations (excluding Depreciation, amortization and accretion reported below) | (97,182) |  | (21,609) |  |
Cost of equipment and products | (111) |  | — |  |
Selling, general and administrative | (81,061) |  | (12,745) |  |
Expenses related to strategic alternatives review (included in Selling, general and administrative) | 87 |  | 187 |  |
Equity in earnings of unconsolidated entities | — |  | 40,408 |  |
Interest and dividend income | 1,145 |  | 4,223 |  |
Other segment items | 1,388 |  | (14) |  |
Segment Adjusted EBITDA (Non-GAAP) | $ | 73,838 |  | $ | 62,462 |  | $ | 136,300 |
Reconciliation of Segment Adjusted EBITDA to Income before income taxes: |  |  |
All Other income (loss) before income taxes 1 |  |  | 2,455 |
Short-term imputed spectrum lease income |  |  | 34,200 |
Depreciation, amortization and accretion |  |  | (85,159) |
Expenses related to strategic alternatives review (included in Selling, general and administrative) |  |  | (274) |
Loss on asset disposals, net |  |  | (1,737) |
Loss on sale of business and other exit costs, net |  |  | (1,562) |
Gain on license sales and exchanges, net |  |  | 156,635 |
Interest expense |  |  | (7,023) |
Income before income taxes |  |  | $ | 233,835 |
Other segment disclosures |  |  |  |  |
Three Months Ended or as of March 31, 2026 | TDS Telecom | Array | Segment Total | All Other 1 | TDS Consolidated Total
Short-term imputed spectrum lease income | $ | — |  | $ | 34,200 |  | $ | 34,200 |  | $ | — |  | $ | 34,200 |
Depreciation, amortization and accretion | (72,555) |  | (12,604) |  | (85,159) |  | (784) |  | (85,943) |
Loss on asset disposals, net | (833) |  | (904) |  | (1,737) |  | (73) |  | (1,810) |
Loss on sale of business and other exit costs, net | (1,562) |  | — |  | (1,562) |  | — |  | (1,562) |
Gain (loss) on license sales and exchanges, net | — |  | 156,635 |  | 156,635 |  | (5,757) |  | 150,878 |
Interest expense | 157 |  | (7,180) |  | (7,023) |  | 1,702 |  | (5,321) |
Investments in unconsolidated entities | 3,947 |  | 435,061 |  | 439,008 |  | 47,124 |  | 486,132 |
Total assets | 3,032,227 |  | 3,964,687 |  | 6,996,914 |  | 1,214,413 |  | 8,211,327 |
Capital expenditures from continuing operations | $ | 125,963 |  | $ | 8,645 |  | $ | 134,608 |  | $ | 1,621 |  | $ | 136,229 |
Three Months Ended March 31, 2025 | TDS Telecom | Array | Total
(Dollars in thousands) |  |  |
Revenues from external customers | $ | 256,559 |  | $ | 26,984 |  | $ | 283,543 |
Intersegment revenues | 801 |  | — |  | 801 |
| 257,360 |  | 26,984 |  | 284,344 |
Reconciliation of revenue: |  |  |
All Other revenues 1 |  |  | 6,890 |
Elimination of intersegment revenues |  |  | (801) |
Total operating revenues |  |  | $ | 290,433 |
Add back or deduct 2: |  |  |
Cost of operations (excluding Depreciation, amortization and accretion reported below) | (100,964) |  | (16,290) |  |
Cost of equipment and products | (263) |  | — |  |
Selling, general and administrative | (83,148) |  | (29,202) |  |
Expenses related to strategic alternatives review (included in Selling, general and administrative) | — |  | 1,145 |  |
Equity in earnings of unconsolidated entities | — |  | 35,927 |  |
Interest and dividend income | 1,401 |  | 2,658 |  |
Other segment items | 1,937 |  | — |  |
Segment Adjusted EBITDA (Non-GAAP) | $ | 76,323 |  | $ | 21,222 |  | $ | 97,545 |
Reconciliation of Segment Adjusted EBITDA to Income before income taxes: |  |  |
All Other income (loss) before income taxes 1 |  |  | (22,283) |
Depreciation, amortization and accretion |  |  | (83,433) |
Expenses related to strategic alternatives review (included in Selling, general and administrative) |  |  | (1,145) |
Loss on asset disposals, net |  |  | (1,888) |
Loss on sale of business and other exit costs, net |  |  | (24) |
Gain on license sales and exchanges, net |  |  | 1,100 |
Interest expense |  |  | (2,202) |
Income (loss) before income taxes |  |  | $ | (12,330) |
Other segment disclosures |  |  |  |  |
Three Months Ended or as of March 31, 2025 | TDS Telecom | Array | Segment Total | All Other 1 | TDS Consolidated Total
Depreciation, amortization and accretion | $ | (71,440) |  | $ | (11,993) |  | $ | (83,433) |  | $ | (896) |  | $ | (84,329) |
Loss on asset disposals, net | (1,662) |  | (226) |  | (1,888) |  | — |  | (1,888) |
Gain (loss) on sale of business and other exit costs, net | (24) |  | — |  | (24) |  | 1,022 |  | 998 |
Gain on license sales and exchanges, net | — |  | 1,100 |  | 1,100 |  | — |  | 1,100 |
Interest expense | 1,465 |  | (3,667) |  | (2,202) |  | (21,707) |  | (23,909) |
Investments in unconsolidated entities | 3,942 |  | 479,127 |  | 483,069 |  | 43,614 |  | 526,683 |
Total assets | 2,906,310 |  | 4,865,842 |  | 7,772,152 |  | 264,663 |  | 8,036,815 |
Capital expenditures from continuing operations | $ | 58,870 |  | $ | 4,840 |  | $ | 63,710 |  | $ | 433 |  | $ | 64,143 |
1"All Other" represents TDS' non-reportable other business activities that do not meet the quantitative thresholds for being a reportable segment and includes cash balances under terms of the TDS cash management arrangement. 2 The significant segment expense categories and amounts align with the segment-level information that is regularly provided to the chief operating decision maker. Intersegment expenses are included within the amounts shown.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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