Supplemental Cash Flow Information (Tables)

12 Months Ended

Aug. 31, 2020

Supplemental Cash Flow Information [Abstract]

Disclosure of detailed information about non cash financing and investing transactions [Table Text Block]

	August 31, 2020		August 31, 2019		August 31, 2018
Share based compensation capitalized as property, plant and equipment (note 14d)	$	297	$	4,484	$	1,825
Share based compensation capitalized as exploration and evaluation assets (note 14d)		6,768		13,894		25,129
Depreciation expense capitalized as property, plant and equipment		—		23,383		37,513
Depreciation expense capitalized as exploration and evaluation assets		7,829		9,342		8,867
Property, plant and equipment acquired under lease arrangement		1,045,810		—		—
	$	1,060,704	$	51,103	$	73,334