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Share-Based Compensation (Tables)

12 Months Ended

Mar. 31, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Restricted Shares

A summary of the Company’s RSUs granted under the Plan is presented below:

RSUs		Shares (in thousands)			Weighted-Average Grant-Date Fair Value
Vested and nonvested at March 31, 2016		467.8			$	35.22
Granted		68.4			55.44
Vested and issued		(94.7	)		28.51
Forfeited		(91.4	)		41.71
Vested and nonvested at March 31, 2017		350.1			39.29
Vested at March 31, 2017		63.4			20.12
Granted		105.8			55.61
Vested and issued		(53.3	)		34.30
Forfeited		(9.1	)		48.76
Vested and nonvested at March 31, 2018		393.5			44.13
Vested at March 31, 2018		90.5			29.88
Granted		226.4			30.09
Vested and issued		(175.8	)		43.05
Forfeited		(31.1	)		48.32
Vested and nonvested at March 31, 2019		413.0			36.58
Vested at March 31, 2019		113.2			31.05

Stock Options, Valuation Assumptions

The weighted-average grant-date fair values of the options granted during 2019, 2018, and 2017 were $10.22, $21.20, and $21.75, respectively.

	Year Ended March 31,
	2019			2018			2017
Expected volatility	29.6	%		35.2	%		37.8	%
Expected dividends	—			—			—
Expected term in years	6.0			6.0			6.0
Risk-free rate	2.9	%		2.2	%		1.7	%

Stock Option Activity

A summary of option activity under the Plan is as follows:

Options		Shares (in thousands)			Weighted-Average Exercise Price				Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value (in thousands)
Outstanding at March 31, 2016		727.7			$	30.70
Granted		264.3			55.86
Exercised		(126.8	)		31.75
Forfeited or expired		(92.9	)		42.66
Outstanding at March 31, 2017		772.3			37.70
Granted		182.8			56.11
Exercised		(55.7	)		29.08
Forfeited or expired		(26.2	)		48.19
Outstanding at March 31, 2018		873.2			41.79
Granted		294.5			29.46
Exercised		(97.7	)		30.02
Forfeited or expired		(125.4	)		47.16
Outstanding at March 31, 2019		944.6			38.45				7.0		$	2,048
Exercisable at March 31, 2019		499.4			37.87				5.5		$	1,921

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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