XML 103 R63.htm IDEA: XBRL DOCUMENT
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Customer Accounts Receivable and Other Current Assets - Additional Information (Detail) - EUR (€) € in Thousands |  | 12 Months Ended
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Jul. 04, 2016 | Dec. 31, 2017 | Dec. 31, 2015
Trade and other receivables [abstract] |  |  |
Trade receivables payment terms |  | Less than one year |
Research tax credit current adjustment | € 900 | € 113 | € (18)

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- Definition Research tax credit current adjustment. + References No definition available. + Details
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- Definition The description of the significant payment terms in contracts with customers. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 15 -IssueDate 2017-01-01 -Paragraph 119 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2017-03-01&anchor=para_119_b&doctype=Standard -URIDate 2017-03-09 + Details
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- References No definition available. + Details
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