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Segment reporting - Schedule of Selected Financial Information by Segment (Details) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Disclosure of operating segments [line items] |  |  |
Revenues | € 1,916,947 | € 1,946,647 | € 1,904,549
Profit before taxes | 140,042 | 130,608 | 169,094
Financial income | (41,509) | (26,028) | (37,282)
Financial expenses | 50,471 | 51,995 | 68,121
Foreign exchange gains | (9,000) | 11,338 | 5,262
Result from investments accounted for using the equity method | (524) | (1,061) | 2,953
Operating profit | 139,480 | 166,852 | 208,148
Transaction costs related to business acquisitions |  | 33 | 6,001
Severance indemnities and provision for severance expenses | 7,999 | 4,878 | 4,002
Legal costs for trademark dispute | 442 | 1,061 | 2,168
Costs related to the business combination |  |  | 2,140
Net impairment of leased and owned stores | 15,039 | 11,196 | 1,782
Special donations for social responsibility |  |  | 100
Net income related to lease agreements |  |  | (4,129)
Adjusted EBIT |  | 184,020 | 220,212
Depreciation and amortization | (244,884) | (224,754) | (193,170)
Selling, general and administrative expenses |  |  |
Disclosure of operating segments [line items] |  |  |
Costs related to the business combination |  |  | 2,034
Cost of sales |  |  |
Disclosure of operating segments [line items] |  |  |
Costs related to the business combination |  |  | € 106
Norda Run |  |  |
Disclosure of operating segments [line items] |  |  |
Proportion of ownership interest in associate |  |  | 25.00%
Property, plant and equipment |  |  |
Disclosure of operating segments [line items] |  |  |
Net impairment of leased and owned stores | 5,026 | 3,233 | € 915
Right-of-use assets |  |  |
Disclosure of operating segments [line items] |  |  |
Net impairment of leased and owned stores | 9,941 | 7,905 | 832
Intangible assets other than goodwill |  |  |
Disclosure of operating segments [line items] |  |  |
Net impairment of leased and owned stores | 72 | 58 | 35
Operating segments | Zegna segment |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 1,363,177 | 1,348,839 | 1,322,045
Transaction costs related to business acquisitions |  | 0 | 0
Severance indemnities and provision for severance expenses | 3,899 | 2,688 | 1,166
Legal costs for trademark dispute | 0 | 0 | 0
Costs related to the business combination |  |  | 1,066
Net impairment of leased and owned stores | 4,129 | 4,150 | 854
Special donations for social responsibility |  |  | 0
Net income related to lease agreements |  |  | (4,129)
Adjusted EBIT | 196,708 | 187,598 | 193,466
Depreciation and amortization | (172,735) | (157,482) | (139,902)
Operating segments | Thom Browne segment |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 268,899 | 314,818 | 380,287
Transaction costs related to business acquisitions |  | 0 | 263
Severance indemnities and provision for severance expenses | 3,079 | 0 | 0
Legal costs for trademark dispute | 442 | 1,061 | 2,168
Costs related to the business combination |  |  | 98
Net impairment of leased and owned stores | 495 | 2,957 | 18
Special donations for social responsibility |  |  | 0
Net income related to lease agreements |  |  | 0
Adjusted EBIT | 952 | 27,319 | 58,969
Depreciation and amortization | (30,325) | (28,001) | (27,214)
Operating segments | Tom Ford Fashion |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 317,056 | 314,514 | 235,544
Transaction costs related to business acquisitions |  | 0 | 0
Severance indemnities and provision for severance expenses | 1,021 | 1,464 | 2,836
Legal costs for trademark dispute | 0 | 0 | 0
Costs related to the business combination |  |  | 0
Net impairment of leased and owned stores | 10,415 | 4,089 | 910
Special donations for social responsibility |  |  | 0
Net income related to lease agreements |  |  | 0
Adjusted EBIT | (15,539) | (10,116) | (1,741)
Depreciation and amortization | (41,734) | (39,198) | (26,008)
Operating segments | Corporate |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 0 | 0 | 0
Transaction costs related to business acquisitions |  | 33 | 5,738
Severance indemnities and provision for severance expenses | 0 | 726 | 0
Legal costs for trademark dispute | 0 | 0 | 0
Costs related to the business combination |  |  | 976
Net impairment of leased and owned stores | 0 | 0 | 0
Special donations for social responsibility |  |  | 100
Net income related to lease agreements |  |  | 0
Adjusted EBIT | (19,044) | (19,977) | (30,423)
Depreciation and amortization | (90) | (73) | (46)
Elimination of intersegment amounts |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | (32,185) | (31,524) | (33,327)
Transaction costs related to business acquisitions |  | 0 | 0
Severance indemnities and provision for severance expenses | 0 | 0 | 0
Legal costs for trademark dispute | 0 | 0 | 0
Costs related to the business combination |  |  | 0
Net impairment of leased and owned stores | 0 | 0 | 0
Special donations for social responsibility |  |  | 0
Net income related to lease agreements |  |  | 0
Adjusted EBIT | (117) | (804) | (59)
Depreciation and amortization | 0 | 0 | 0
From Third Parties |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 1,916,947 | 1,946,647 | 1,904,549
Adjusted EBIT | 162,960 |  |
Depreciation and amortization | (244,884) |  |
From Third Parties | Operating segments | Zegna segment |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 1,331,422 | 1,317,421 | 1,290,608
From Third Parties | Operating segments | Thom Browne segment |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 268,469 | 314,712 | 378,410
From Third Parties | Operating segments | Tom Ford Fashion |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 317,056 | 314,514 | 235,531
From Third Parties | Operating segments | Corporate |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 0 | 0 | 0
Inter Segment Revenue | Operating segments | Zegna segment |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 31,755 | 31,418 | 31,437
Inter Segment Revenue | Operating segments | Thom Browne segment |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 430 | 106 | 1,877
Inter Segment Revenue | Operating segments | Tom Ford Fashion |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 0 | 0 | 13
Inter Segment Revenue | Operating segments | Corporate |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | 0 | 0 | 0
Inter Segment Revenue | Elimination of intersegment amounts |  |  |
Disclosure of operating segments [line items] |  |  |
Revenues | € (32,185) | € (31,524) | € (33,327)

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