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Significant Accounting Policies and Judgments - Adjustments for Change in Accounting Policy (Details) - CAD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jul. 01, 2019
Statement of financial position [abstract] |  |  |
Biological assets | $ 35,435 | $ 50,567 |
Inventory | 121,827 | 111,321 |
Deferred tax liability | 3,946 | 90,970 |
Deficit | (3,592,787) | (286,311) | $ (283,639)
Statement of profit or loss and other comprehensive income [abstract] |  |  |
Cost of sales | 277,234 | 123,778 |
Gross profit before fair value adjustments | 1,672 | 121,758 |
Changes in fair value of inventory sold | 91,825 | 71,821 |
Unrealized gain on changes in fair value of biological assets | (56,614) | (92,503) |
Gross profit (loss) | (33,539) | 142,440 |
General and administration | 205,276 | 159,069 |
Deferred tax (recovery) expense | (78,303) | (23,909) |
Loss from continued operations | $ (3,300,493) | (300,740) |
Net loss attributable to Aurora shareholders |  | $ (293,509) |
Basic and diluted earnings (loss) per share | $ (33.94) | $ (3.66) |
Statement of cash flows [abstract] |  |  |
Unrealized gain on changes in fair value of biological assets | $ (56,614) | $ (92,503) |
Changes in fair value included in inventory sold | 91,825 | 71,821 |
Deferred tax expense (recovery) | (78,303) | (23,909) |
Changes in non-cash working capital | 7,643 | (37,285) |
Net cash used in operating activities | $ (337,952) | (192,245) |
As previously reported |  |  |
Statement of financial position [abstract] |  |  |
Biological assets |  | 51,836 |
Inventory |  | 113,641 |
Deferred tax liability |  | 91,886 |
Deficit |  | (283,639) |
Statement of profit or loss and other comprehensive income [abstract] |  |  |
Cost of sales |  | 112,526 |
Gross profit before fair value adjustments |  | 135,413 |
Changes in fair value of inventory sold |  | 72,129 |
Unrealized gain on changes in fair value of biological assets |  | (96,531) |
Gross profit (loss) |  | 159,815 |
General and administration |  | 172,365 |
Deferred tax (recovery) expense |  | (23,257) |
Loss from continued operations |  | (297,924) |
Net loss attributable to Aurora shareholders |  | $ (290,837) |
Basic and diluted earnings (loss) per share |  | $ (3.63) |
Statement of cash flows [abstract] |  |  |
Unrealized gain on changes in fair value of biological assets |  | $ (96,531) |
Changes in fair value included in inventory sold |  | 72,129 |
Deferred tax expense (recovery) |  | (23,257) |
Changes in non-cash working capital |  | (37,952) |
Net cash used in operating activities |  | (192,245) |
Adjustments | Change in accounting policy for inventory costing of by-products and allocation of operational staff salaries, inventory adjustments |  |  |
Statement of financial position [abstract] |  |  |
Biological assets |  | (1,269) |
Inventory |  | (2,320) |
Deferred tax liability |  | (916) |
Deficit |  | (2,672) |
Statement of profit or loss and other comprehensive income [abstract] |  |  |
Cost of sales |  | 11,252 |
Gross profit before fair value adjustments |  | (11,252) |
Changes in fair value of inventory sold |  | (308) |
Unrealized gain on changes in fair value of biological assets |  | 4,028 |
Gross profit (loss) |  | (14,972) |
General and administration |  | (11,384) |
Deferred tax (recovery) expense |  | (916) |
Loss from continued operations |  | (2,672) |
Net loss attributable to Aurora shareholders |  | $ (2,672) |
Basic and diluted earnings (loss) per share |  | $ (0.03) |
Statement of cash flows [abstract] |  |  |
Unrealized gain on changes in fair value of biological assets |  | $ 4,028 |
Changes in fair value included in inventory sold |  | (308) |
Deferred tax expense (recovery) |  | (916) |
Changes in non-cash working capital |  | (211) |
Net cash used in operating activities |  | 0 |
Adjustments | Change in accounting policy for inventory costing of by-products and allocation of operational staff salaries, inventory adjustments | Discontinued operations |  |  |
Statement of financial position [abstract] |  |  |
Biological assets |  | 0 |
Inventory |  | 0 |
Deferred tax liability |  | 0 |
Deficit |  | 0 |
Statement of profit or loss and other comprehensive income [abstract] |  |  |
Cost of sales |  | 0 |
Gross profit before fair value adjustments |  | (2,403) |
Changes in fair value of inventory sold |  | 0 |
Unrealized gain on changes in fair value of biological assets |  | 0 |
Gross profit (loss) |  | (2,403) |
General and administration |  | (1,912) |
Deferred tax (recovery) expense |  | 264 |
Loss from continued operations |  | (144) |
Net loss attributable to Aurora shareholders |  | 0 |
Statement of cash flows [abstract] |  |  |
Unrealized gain on changes in fair value of biological assets |  | 0 |
Changes in fair value included in inventory sold |  | 0 |
Deferred tax expense (recovery) |  | 264 |
Changes in non-cash working capital |  | 878 |
Net cash used in operating activities |  | $ 0 |

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