Net Income Per Common Share (Tables)

9 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted net income per common share (in millions, except per share amounts):

	Three Months Ended December 31,				Nine Months Ended December 31,
	2019		2018		2019		2018
Net income	$	311.1	$	49.2	$	470.7	$	181.2
Basic weighted average common shares outstanding	239.2		236.7		238.5		235.9
Dilutive effect of stock options and RSUs	3.4		3.3		3.5		3.8
Dilutive effect of 2015 Senior Convertible Debt	15.2		4.6		13.6		9.8
Dilutive effect of 2017 Senior Convertible Debt	0.3		—		0.1		—
Dilutive effect of 2017 Junior Convertible Debt	0.2		—		0.1		—
Diluted weighted average common shares outstanding	258.3		244.6		255.8		249.5
Basic net income per common share	$	1.30	$	0.21	$	1.97	$	0.77
Diluted net income per common share	$	1.20	$	0.20	$	1.84	$	0.73

Schedule of Convertible Debt

The following is the weighted average conversion price per share used in calculating the dilutive effect (See Note 12 for details on the convertible debt):

	Three Months Ended December 31,				Nine Months Ended December 31,
	2019		2018		2019		2018
2015 Senior Convertible Debt	$	61.67	$	62.72	$	61.92	$	63.00
2017 Senior Convertible Debt	$	96.16	$	97.81	$	96.56	$	98.25
2017 Junior Convertible Debt	$	94.48	$	96.10	$	94.87	$	96.53