Lease liabilities - Schedule of Breakdown for Lease Liabilities (Details) - EUR (€) € in Thousands	6 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Disclosure Of Lease Liabilities Arising From Financing Activities [Roll Forward]
Balance at beginning of period	€ 731,589
Balance at end of period	927,195
Non-current	780,698	€ 590,652
Current	146,497	€ 140,937
Lease liabilities
Disclosure Of Lease Liabilities Arising From Financing Activities [Roll Forward]
Interest expense	17,094
Repayment of lease liabilities (including interest expense)	(91,727)
Additions due to new leases and store renewals	257,571
Decrease of lease liabilities due to store closures	(2,554)
Translation differences	€ 15,222

The amount of current lease liabilities. [Refer: Lease liabilities]

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The increase (decrease) in liabilities arising from financing activities resulting from the effect of changes in foreign exchange rates. [Refer: Liabilities arising from financing activities]

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The increase (decrease) in liabilities arising from financing activities resulting from financing cash flows. [Refer: Cash flows from (used in) financing activities; Liabilities arising from financing activities]

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The increase in liabilities arising from financing activities resulting from new leases. [Refer: Liabilities arising from financing activities]

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The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration.

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The amount of non-current lease liabilities. [Refer: Lease liabilities]

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Decrease due to store closures.

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