Income Taxes (Tables)

6 Months Ended

Sep. 30, 2019

Income Tax Disclosure [Abstract]

Differences Between Statutory Income Tax Rate and Effective Income Tax Rate

The significant differences between the statutory income tax rate and effective income tax rate for the three and six months ended September 30, 2019 and 2018 were as follows:

	For the Three Months Ended September 30,							For the Six Months Ended September 30,
		2019			2018				2019			2018
Statutory income tax rate		21.0		%	21.0		%		21.0		%	21.0		%
Increase (decrease) resulting from:												—
Excess tax benefits from stock-based awards		(2.7	)		(24.9	)			(11.0	)		(66.6	)
Credits		(2.1	)		(1.8	)			(1.7	)		(1.8	)
State taxes, net		3.3			4.3				3.4			4.3
Permanent differences		1.7			1.8				1.9			1.8
Other		3.5			2.9				1.7			1.6
Effective tax rate		24.7		%	3.3		%		15.4		%	(39.7	)	%