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Commitments and contingencies (Tables)

12 Months Ended

May 31, 2021

Commitments And Contingencies Disclosure [Abstract]

Schedule of Purchase and Other Commitments Maturities

The Company has payments on long-term debt (refer to Note 18 Long-term debt), convertible notes (refer to Note 19 Convertible Debentures), ABG finance liability (refer to Note 17 Accounts payable and accrued liabilities) material purchase commitments and construction commitments as follows:

		Total				2022				2023				2024				2025				2026				Thereafter
Long-term debt repayment		$	204,108				36,623				69,925				95,181				1,438				941				—
Convertible notes, principal and interest			571,989				13,893				13,893				284,803				259,400				—				—
ABG finance liability			6,000				1,500				1,500				1,500				1,500				—				—
Material purchase obligations			26,097				21,141				4,009				854				93				—				—
Construction commitments			1,814				1,814				—				—				—				—				—
Total		$	810,008			$	74,971			$	89,327			$	382,338			$	262,431			$	941			$	—

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Tabular disclosure of information about obligations resulting from other commitments.

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