Note 13 - Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

(in thousands, except per share amounts )	2016		2015		2014
Numerator:
Net income as reported	$	104,488	$	80,866	$	98,100
Denominator :
Weighted average shares outstanding
Basic		22,559		22,565		22,543
Effect of dilutive securities		167		154		184
Diluted		22,727		22,719		22,727
Earnings Per Share:
Basic earnings per share	$	4.63	$	3.58	$	4.35
Diluted earnings per share	$	4.60	$	3.56	$	4.32