XML 552 R73.htm IDEA: XBRL DOCUMENT v3.10.0.1

Summary of significant accounting policies - Exchange rates (Details)	12 Months Ended
	Jun. 30, 2018 $ / £	Jun. 30, 2018 $ / £ € / £	Jun. 30, 2017 $ / £	Jun. 30, 2017 $ / £ € / £	Jun. 30, 2016 $ / £	Jun. 30, 2016 $ / £ € / £	Jun. 30, 2018 € / £	Jun. 30, 2017 € / £	Jun. 30, 2016 € / £
Exchange rates
Closing rate	1.3194	1.3194	1.2988	1.2988	1.3332	1.3332	1.1309	1.1379	1.2009
Average rate	1.3465	1.1327	1.2774	1.1663	1.4774	1.3363

X

- Definition

The average exchange rate used by the entity. Exchange rate is the ratio of exchange for two currencies.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_AverageForeignExchangeRate
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_ClosingForeignExchangeRate
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	ifrs-full_ForeignExchangeRatesAbstract
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration