Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Quarterly Financial Information

Due to the seasonal nature of our business, there are substantial variations in operations reported on a quarterly basis.

For the Quarters Ended	March 31		June 30		September 30		December 31
(in thousands except per share amounts)
2012 (1)
Operating Revenue	$	120,914	$	83,897	$	78,175	$	109,516
Operating Income	$	20,073	$	10,455	$	7,564	$	18,543
Net Income	$	10,727	$	5,060	$	3,219	$	9,857
Earnings per share:
Basic	$	1.12	$	0.53	$	0.34	$	1.03
Diluted	$	1.11	$	0.52	$	0.33	$	1.02
2011 (1)
Operating Revenue	$	146,597	$	86,831	$	80,610	$	103,988
Operating Income	$	24,839	$	7,776	$	5,594	$	15,495
Net Income	$	13,747	$	3,520	$	2,397	$	7,957
Earnings per share:
Basic	$	1.44	$	0.37	$	0.25	$	0.83
Diluted	$	1.43	$	0.37	$	0.25	$	0.83

⁽¹⁾  The sum of the four quarters does not equal the total year due to rounding.