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Expenses by Nature - Summary of Expenses by Nature (Detail) - EUR (€) € in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disclosure Of Expense By Nature [abstract]
Changes in inventories	€ 6,850	€ (63)
Raw materials and consumables	177,905	181,574
Services	107,074	118,681
Employee benefits expense	137,425	141,433
Depreciation and amortization, net of government grants	10,003	11,361
Other	19,334	19,774
Total cost of sales, selling and administrative expenses	€ 458,591	€ 472,760

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The decrease (increase) in inventories of finished goods and work in progress. [Refer: Inventories; Current finished goods; Current work in progress]

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The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.

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The amount of expenses aggregated according to their nature (for example, depreciation, purchases of materials, transport costs, employee benefits and advertising costs), and not reallocated among functions within the entity.

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The amount of expenses that the entity does not separately disclose in the same statement or note when the entity uses the 'nature of expense' form for its analysis of expenses. [Refer: Expenses, by nature]

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The amount of raw materials and consumables used in the production process or in the rendering of services. [Refer: Current raw materials]

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Disclosure Of Expense By Nature [abstract].

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