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Note 7 - Stock-based Compensation (Tables)

9 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three Months Ended December 31,								Nine Months Ended December 31,
		2018				2017				2018				2017
Stock-based compensation expense		$	695			$	438			$	2,424			$	1,423
Amount of income tax (benefit) expense recognized in earnings			(160	)			99				(1,018	)			(893	)
Stock-based compensation, net of tax		$	535			$	537			$	1,406			$	530
Benefit to earnings per share
Basic		$	0.14			$	0.14			$	0.37			$	0.14
Diluted			0.13				0.14				0.35				0.14

Share-based Compensation, Activity [Table Text Block]

		Stock Options								Non-Vested Stock Awards
		Number of Shares				Weighted- Average Exercise Price per Share				Number of Shares				Weighted- Average Grant Date Fair Value
Outstanding at March 31, 2018			458			$	86.38				9			$	125.68
Awards granted			26				144.65				29				169.94
Awards forfeited or expired			(36	)			98.91				(3	)			171.51
Awards exercised or vested			(58	)			69.75				(2	)			163.47
Outstanding as of December 31, 2018			390			$	91.58				33			$	128.04
Exercisable at December 31, 2018			151

X

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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- Definition

Tabular disclosure for share-based compensation 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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