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Inventories - Summary of Inventories (Detail) - EUR (€)
€ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Jan. 01, 2017
Classes of current inventories [abstract]        
Leather and other raw materials € 24,088 € 30,568    
Goods in process 8,800 10,815    
Finished products 36,797 42,844    
Total € 69,685 € 84,227 € 91,077 € 91,014