Earnings or loss per common share (Tables)

12 Months Ended

Jun. 30, 2019

Earnings per share [abstract]

Earnings or loss per share

Basic earnings or loss per share is calculated by dividing the net income (loss) attributable to shareholders of the Company by the weighted average number of common shares outstanding during the year.

	June 30, 2019		June 30, 2018
	$		$
Net loss attributable to shareholders of the Company	(101,494	)	(14,060	)
Weighted average number of common shares outstanding (in 000's)	134,828		134,506
Basic loss per share	(0.75	)	(0.10	)

	June 30, 2019		June 30, 2018
	$		$
Net loss attributable to shareholders of the Company	(101,494	)	(14,060	)
Weighted average number of common shares (in 000's)	134,828		134,506
Dilutive effect of share-based compensation (in 000's)	—		—
Weighted average number of diluted shares outstanding	134,828		134,506
Diluted loss per share	(0.75	)	(0.10	)