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Explanation of the Effects of Transition to International Financial Reporting Standards - Summary of Impacts of IFRS Adjustments for Deferred Income for Capital Grants (Detail) - EUR (€) € in Thousands	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2017
Disclosure of comparative information prepared under previous GAAP [line items]
Non current deferred income for capital grants	€ 13,002	€ 13,771	€ 14,760
Previous GAAP [member]
Disclosure of comparative information prepared under previous GAAP [line items]
Non current deferred income for capital grants		6,809	7,195
Effect of transition to IFRSs [member]
Disclosure of comparative information prepared under previous GAAP [line items]
Non current deferred income for capital grants		6,962	7,565
Government Grants [member] | Effect of transition to IFRSs [member]
Disclosure of comparative information prepared under previous GAAP [line items]
Non current deferred income for capital grants		€ 6,962	€ 7,565

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

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- Definition

The amount of non-current government grants recognised on the statement of financial position as deferred income. [Refer: Government [member]; Deferred income; Government grants]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard
-URIDate 2018-03-16

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