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Note 5 - Stock-based Compensation (Tables)

3 Months Ended

Jun. 30, 2016

Notes Tables

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

		Three Months E nded June 30 ,
		2016				2015
Total cost of stock-based compensation charged against income before income taxes		$	429			$	327
Amount of income tax benefit recognized in earnings			47				72
Amount charged against net income		$	382			$	255
Impact on net income per common share:
Basic		$	0.10			$	0.07
Diluted			0.10				0.07

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

		Number of Shares				Weighted- A verage Exercise Price per Share				Weighted- A verage Remaining Contractual Term				Aggregate Intrinsic Value (000s)
Outstanding at March 31, 2016			515,720			$	64.32				5.2			$	16,561
Stock options granted			109,740				97.85				5.8
Stock options forfeited			(2,398	)			79.64				5.8
Stock options expired			(142	)			89.70				5.8
Stock options exercised			(34,357	)			55.68
Outstanding at June 30, 2016			588,563				71.01				5.2				30,601
Exercisable at June 30, 2016			200,313				49.01				3.9				14,821

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

		Number of Shares				Weighted- A verage Grant-Date Fair Value
Unvested at March 31, 2016			358,263			$	19.46
Stock options granted			109,740				27.77
Stock options forfeited			(2,398	)			21.72
Stock options vested			(77,355	)			17.01
Unvested at June 30, 2016			388,250				22.29

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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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
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- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

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