The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) - EUR (€) € in Thousands			6 Months Ended
Subsequent Events (Details) - EUR (€) € in Thousands	Apr. 09, 2018	Apr. 02, 2018	Mar. 31, 2018
Subsequent Event [Line Items]
Granted (shares)			34,000
Employee Stock Option [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Granted (shares)		1,325,000
Restricted Stock Units (RSUs) [Member]
Subsequent Event [Line Items]
Stock granted during period, nonemployee stock ownership plan (shares)			1,201,000
Restricted Stock Units (RSUs) [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Stock granted during period, nonemployee stock ownership plan (shares)		19,000
Subsidiaries [Member] \| WTG Holdings Coöperatief U.A. [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Proceeds from divestiture of business	€ 350,000