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Note 6 - Stock-based Compensation (Tables)

3 Months Ended

Jun. 30, 2018

Notes Tables

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

		Three Months Ended June 30,
		2018				2017
Stock-based compensation expense		$	739			$	540
Amount of income tax (benefit) recognized in earnings			(896	)			(631	)
Stock-based compensation (benefit), net of tax		$	(157	)		$	(91	)
Benefit to earnings per share:
Basic		$	0.04			$	0.02
Diluted			0.04				0.02

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- A verage Grant-date Fair Value
Outstanding as of March 31, 2018			458			$	86.38				9			$	125.68
Awards granted			25				143.36				27				168.79
Awards forfeited or expired			(22	)			94.45				--
Awards exercised / vested			(48	)			69.21				(1	)			122.98
Outstanding as of June 30, 2018			413				91.40				35			$	159.29
Exercisable / vested as of June 30, 2018			160								1

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.

+ References

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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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