Expenses and Other Income - Summary of Expenses and Other Income (Detail) - USD ($)
$ in Thousands |
12 Months Ended |
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2019 |
| Employee benefits expense: |
|
|
|
| Wages, salaries and redundancies |
$ 4,399,000
|
$ 3,706,000
|
$ 3,683,000
|
| Employee share awards |
123,525
|
128,999
|
138,275
|
| Social security costs |
3,000
|
2,000
|
4,000
|
| Pension and other post-retirement obligations |
316,000
|
283,000
|
292,000
|
| Less employee benefits expense classified as exploration and evaluation expenditure |
(119,000)
|
(65,000)
|
(85,000)
|
| Changes in inventories of finished goods and work in progress |
(334,000)
|
(326,000)
|
496,000
|
| Raw materials and consumables used |
4,940,000
|
5,509,000
|
4,591,000
|
| Freight and transportation |
2,037,000
|
1,981,000
|
2,378,000
|
| External services |
5,260,000
|
4,404,000
|
4,745,000
|
| Third party commodity purchases |
2,230,000
|
1,139,000
|
1,069,000
|
| Net foreign exchange losses/(gains) |
310,000
|
(603,000)
|
(147,000)
|
| Fair value change on derivatives |
145,000
|
422,000
|
8,000
|
| Government royalties paid and payable |
3,217,000
|
2,362,000
|
2,538,000
|
| Exploration and evaluation expenditure incurred and expensed in the current period |
430,000
|
517,000
|
516,000
|
| Depreciation and amortisation expense |
6,824,000
|
6,112,000
|
5,829,000
|
| Net impairments: |
|
|
|
| Property, plant and equipment |
2,583,000
|
494,000
|
250,000
|
| Goodwill and other intangible assets |
52,000
|
|
14,000
|
| All other operating expenses |
2,083,000
|
2,709,000
|
1,703,000
|
| Total expenses |
34,500,000
|
28,775,000
|
28,022,000
|
| Insurance recoveries |
(46,000)
|
(489,000)
|
(57,000)
|
| Other income |
(464,000)
|
(288,000)
|
(336,000)
|
| Total other income |
$ (510,000)
|
$ (777,000)
|
$ (393,000)
|