Particulars of Employees (including Directors) (Details) - employee	6 Months Ended
Dec. 31, 2023	Dec. 31, 2022
The average number of staff employed by the group during the period (including directors):
Number of operational staff	10,606	11,032
Number of administrative staff	1,140	1,071
Number of management staff	9	8
Total	11,755	12,111

The average number of personnel employed by the entity during a period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2023-03-23

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