| r0.c0 | Non-current liabilities/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | jenv-bw2-i:LiabilitiesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |
| r1.c0 | Current liabilities/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | jenv-bw2-i:LiabilitiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |
| r2.c0 | Liabilities/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | jenv-bw2-i:Liabilities | nl-types:monetaryNoDecimalsItemType | instant | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |
| r3.c0 | ocw-table_NotesLiabilitiesNoncurrentMovement-y.1/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | | | | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |
| r4.c0 | Proceeds from borrowings/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | rj-i:ProceedsFromBorrowings | nl-types:monetaryNoDecimalsItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r5.c0 | Repayments of borrowings/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | rj-i:RepaymentsBorrowings | nl-types:monetaryNoDecimalsItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r6.c0 | ocw-table_NotesLiabilitiesNoncurrentMovement-y.2/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | | | | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r7.c0 | Liabilities/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | jenv-bw2-i:Liabilities | nl-types:monetaryNoDecimalsItemType | instant | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |
| r8.c0 | Current liabilities/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | jenv-bw2-i:LiabilitiesCurrent | nl-types:monetaryNoDecimalsItemType | instant | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |
| r9.c0 | Non-current liabilities/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | jenv-bw2-i:LiabilitiesNoncurrent | nl-types:monetaryNoDecimalsItemType | instant | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |
| r10.c0 | Non-current liabitilities with a maturity exceeding one year within five years/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | rj-i:LiabilitiesMaturityExceedingOneYearWithinFiveYears | nl-types:monetaryNoDecimalsItemType | instant | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |
| r11.c0 | Liabilities with a maturity exceeding five years/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | jenv-bw2-i:LiabilitiesMaturityExceedingFiveYears | nl-types:monetaryNoDecimalsItemType | instant | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |
| r12.c0 | Effective interest rate of non-current liabilities/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | ocw-i:LiabilitiesNoncurrentEffectiveInterestRate | num:percentItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |
| r13.c0 | ocw-table_NotesLiabilitiesNoncurrentMovement-y.3/ocw-table_NotesLiabilitiesNoncurrentMovement-x.1.1.1 | | | | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2017-12-31') |