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Earnings (Loss) Per Share - Computation of Basic and Diluted Earnings (Loss) Per Share (Details) - CAD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Basic (loss) earnings per share computation
Net (loss) income attributable to common shareholders of Canopy Growth	$ (261,583)	$ (108,925)	$ (2,566,537)	$ 272,435
Weighted average number of common shares outstanding	486,112,598	393,818,282	453,237,882	390,423,083
Basic (loss) earnings per share	$ (0.54)	$ (0.28)	$ (5.66)	$ 0.70
Diluted (loss) earnings per share computation
Net (loss) income used in the computation of basic (loss) earnings per share	$ (261,583)	$ (108,925)	$ (2,566,537)	$ 272,435
Adjustment to net loss attributable to noncontrolling interests and redeemable noncontrolling interest				(13,100)
Removal of fair value changes on unsecured senior notes				(81,342)
Net (loss) income used in the computation of diluted (loss) earnings per share	$ (261,583)	$ (108,925)	$ (2,566,537)	$ 177,993
Weighted average number of common shares outstanding	486,112,598	393,818,282	453,237,882	390,423,083
Dilutive impact of assumed exercise or conversion of:
Diluted weighted average common shares outstanding	486,112,598	393,818,282	453,237,882	410,986,802
Diluted (loss) earnings per share	$ (0.54)	$ (0.28)	$ (5.66)	$ 0.43
Unsecured Senior Notes [Member]
Dilutive impact of assumed exercise or conversion of:
Diluted weighted average common shares outstanding				12,454,620
Redeemable Noncontrolling Interest [Member]
Dilutive impact of assumed exercise or conversion of:
Diluted weighted average common shares outstanding				4,528,898
Stock Option 1 [Member]
Dilutive impact of assumed exercise or conversion of:
Diluted weighted average common shares outstanding				745,700
Other Securities [Member]
Dilutive impact of assumed exercise or conversion of:
Diluted weighted average common shares outstanding				2,834,501

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