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Provisions - Summary of Legal Claims and Other Costs (Parenthetical) (Detail) € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 EUR (€) Claim | Dec. 31, 2016 EUR (€) Claim | Dec. 31, 2015 EUR (€)
Disclosure of other provisions [line items] |  |  |
Provisions | € 153.0 | € 149.0 | € 163.0
Legal claims and other costs [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Provisions | € 67.0 | 56.0 | € 67.0
Expected provisions settlement period | Five years |  |
Legal claims and other costs [member] | General equipment maintenance [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Provisions | € 3.0 | 3.0 |
Legal claims and other costs [member] | Customer litigation, product warranties and guarantees [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Provisions | 16.0 | 7.0 |
Legal claims and other costs [member] | Late delivery penalties [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Provisions | € 6.0 | € 4.0 |
Disease claims [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Number of cases outstanding for disease claims | Claim | 7 | 11 |
Disease claims [member] | Bottom of range [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Latency period for acquiring diseases | 25 years |  |
Disease claims [member] | Top of range [member] |  |  |
Disclosure of other provisions [line items] |  |  |
Latency period for acquiring diseases | 40 years |  |
Average amount per claim outstanding |  | € 0.1 |
Average settlement amount per claim | € 0.1 | € 0.1 |

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- Definition The description of the expected timing of outflows of economic benefits related to other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Paragraph 85 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_85_a&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2017-01-01 -Paragraph 84 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2017-03-01&anchor=para_84_a&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_78_d&doctype=Standard -URIDate 2017-03-09 + Details
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