Employee-related expenditure - Number of employees (Details) - employee	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Number and average number of employees
Permanent employees	28,657	28,279	28,725
Non-permanent employees	416	351	224
Total number of employees	29,073	28,630	28,949

The number of personnel employed by the entity at a date.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2022-03-24

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