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Employees - Summary of Employees (Detail) - Employees | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2019
Disclosure of average number of employees [line items] |  |  |
Average number of employees | 34,478 | 31,589 | 28,926
Australia [member] |  |  |
Disclosure of average number of employees [line items] |  |  |
Average number of employees | 23,828 | 20,967 | 18,146
South America [member] |  |  |
Disclosure of average number of employees [line items] |  |  |
Average number of employees | 7,390 | 7,330 | 6,979
North America [member] |  |  |
Disclosure of average number of employees [line items] |  |  |
Average number of employees | 1,299 | 1,296 | 1,999
Asia [member] |  |  |
Disclosure of average number of employees [line items] |  |  |
Average number of employees | 1,907 | 1,939 | 1,743
Europe [member] |  |  |
Disclosure of average number of employees [line items] |  |  |
Average number of employees | 54 | 57 | 59

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