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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
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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 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 + Details
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