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Other Income and Other Expense - Summary of Other Income and Expense (Detail) - EUR (€) € in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure of other income and expenses [abstract] |  |  |
Release of provisions for contingent liabilities | € 1,700 |  |
VAT relief | 1,392 |  |
Extraordinary contingent assets | 609 |  |
Extraordinary reimbursement |  | € 1,650 |
Other | 2,243 |  |
Total | € 5,944 | € 1,650 | [1]
[1] | The Group has initially applied IFRS 9 as at January 1, 2018. Under the transition method chosen, comparative information has not been restated except for separately presenting impairment losses on trade receivables. See note 5.

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- Definition The gains (losses) on settlements of litigation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 98 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_98_f&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of operating income that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2018-01-01 -Paragraph 35 -Subparagraph b -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=26&date=2018-03-01&anchor=para_35_b_iv&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_103&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_102&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition Gains Losses On contingent assets + References No definition available. + Details
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