EARNINGS PER SHARE - Summary of Earnings Per Share (Details) - EUR (€) € / shares in Units, € in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Basic earnings per share [abstract]
Profit attributable to owners of the Company	€ 1,252,048	€ 932,614	€ 830,767
Weighted average number of common shares for basic earnings per common share (shares)	181,220,000	182,836,000	184,446,000
Basic earnings per common share (in Euros per share)	€ 6.91	€ 5.11	€ 4.50
Diluted earnings per share [abstract]
Profit attributable to owners of the Company	€ 1,252,048	€ 932,614	€ 830,767
Weighted average number of common shares for diluted earnings per common share (shares)	181,511,000	183,121,000	184,771,000
Diluted earnings per common share (in Euros per share)	€ 6.90	€ 5.09	€ 4.50
Weighted average ordinary shares used in calculating basic and diluted earnings per share [abstract]
Weighted average number of common shares for basic earnings per common share (shares)	181,220,000	182,836,000	184,446,000
Share-based compensation (shares)	291,000	285,000	325,000
Weighted average number of common shares for diluted earnings per common share (shares)	181,511,000	183,121,000	184,771,000

The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]

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The potential dilutive effect on the weighted average number of ordinary shares that relate to the assumed exercise of the entity's share options.

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The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)]

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The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

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