XML 77 R64.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Summary of Tax Returns Periods Subject to Examination by Federal, State and International Taxing Authorities (Detail) | 3 Months Ended
--- | ---
Mar. 31, 2018
Germany |
Income Tax Examination [Line Items] |
Fiscal year subject to examination | 2017
Earliest Tax Year | United States |
Income Tax Examination [Line Items] |
Fiscal year subject to examination | 2014
Earliest Tax Year | Sweden |
Income Tax Examination [Line Items] |
Fiscal year subject to examination | 2011
Earliest Tax Year | Netherlands |
Income Tax Examination [Line Items] |
Fiscal year subject to examination | 2012
Latest Tax Year | United States |
Income Tax Examination [Line Items] |
Fiscal year subject to examination | 2017
Latest Tax Year | Sweden |
Income Tax Examination [Line Items] |
Fiscal year subject to examination | 2017
Latest Tax Year | Netherlands |
Income Tax Examination [Line Items] |
Fiscal year subject to examination | 2017

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_IncomeTaxExaminationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax year that remains open to examination under enacted tax laws, in CCYY format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
Name: | us-gaap_OpenTaxYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_DE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_EarliestTaxYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_SE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_NL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TaxPeriodAxis=us-gaap_LatestTaxYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |