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Employee Benefits - Schedule Of Fair Value Of Defined Benefit Plans (Detail) - EUR (€)
€ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Detailed Information About Employee Benefits [Line Items]      
Fair value of plan assets € (1,430) € (1,244)  
Defined-benefit plans in Austria 15,128 18,464 € 19,085
AUSTRIA      
Disclosure Of Detailed Information About Employee Benefits [Line Items]      
Fair value of plan liabilities 11,612 14,263  
Fair value of plan assets (1,430) (1,244)  
Defined-benefit plans in Austria € 10,182 € 13,019