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Lease Contracts - Summary of analysis of maturities of lease liabilities (Detail)
€ in Thousands
Jun. 30, 2019
EUR (€)
Disclosure of maturity analysis of operating lease payments [line items]  
Less than one year € 24,200
Not later than one year [member]  
Disclosure of maturity analysis of operating lease payments [line items]  
Less than one year 3,162
Later than one year and not later than five years [member]  
Disclosure of maturity analysis of operating lease payments [line items]  
Less than one year 13,773
More than five years [member]  
Disclosure of maturity analysis of operating lease payments [line items]  
Less than one year € 7,265