The calculations of net earnings per share - basic and net earnings per share - diluted were as follows:


	Three Months Ended					Six Months Ended
	June 30,					June 30,
	2026		2025			2026		2025
Net earnings (loss) available to common shareholders	$	53.5	$	(67.1	)	$	56.0	$	(61.5	)
Weighted-average common shares outstanding (in millions)
Weighted-average common shares outstanding - basic		46.9		46.5			46.8		46.7
Effect of dilutive securities - share-based awards		0.5		—			0.4		—
Weighted-average common shares outstanding - diluted		47.4		46.5			47.2		46.7
Net earnings (loss) per share - basic	$	1.14	$	(1.44	)	$	1.20	$	(1.32	)
Net earnings (loss) per share - diluted	$	1.13	$	(1.44	)	$	1.19	$	(1.32	)

There were 0.6 million and 1.0 million share-based awards excluded from the calculation of net earnings (loss) per share - diluted for the three months ended June 30, 2026 and 2025, respectively, because their impact was anti-dilutive. There were 0.6 million and 1.1 million share-based awards excluded from the calculation of net earnings (loss) per share - diluted for the six months ended June 30, 2026 and 2025, respectively, because their impact was anti-dilutive.