Earnings (Loss) Per Share of Common Stock (Tables)

6 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Reconciliation of Numerator and Denominator for Basic and Diluted Earnings (loss) Per Share Calculation

Set forth below is a reconciliation of the numerator and denominator for basic and diluted earnings (loss) per share calculation for the periods indicated:

	Three Months Ended March 31,					Six Months Ended March 31,
	2021		2020			2021			2020
Numerator:
Net income (loss) available to common stockholders	$	6.3	$	(20.5	)	$	(5.7	)	$	(33.1	)
Denominator:
Weighted average number of common shares outstanding – basic		105,183,000		103,651,000			105,165,000			103,478,000
Basic income (loss) per share	$	0.06	$	(0.20	)	$	(0.05	)	$	(0.32	)
Weighted average number of common shares outstanding – diluted		105,670,000		103,651,000			105,165,000			103,478,000
Diluted income (loss) earnings per share	$	0.06	$	(0.20	)	$	(0.05	)	$	(0.32	)
Other Information:
Weighted average number of anti-dilutive options and restricted    stock		7,719,000		8,453,000			7,754,000			8,030,000