Quarterly Financial Information

12 Months Ended

Dec. 31, 2012

Selected Quarterly Financial Information [Abstract]

Note 10. Quarterly Financial Information (Unaudited)

A summary of our unaudited quarterly financial information for 2012 and 2011 is provided below. Our tonnage levels and revenue mix are subject to seasonal trends common in the motor carrier industry. Financial results in the first quarter are normally lower due to reduced shipments during the winter months. Harsh winter weather can also adversely impact our performance by reducing demand and increasing operating expenses.



	Quarter
(In thousands, except per share data)	First		Second		Third		Fourth		Total
2012
Revenue	$	497,140	$	541,505	$	544,493	$	527,345	$	2,110,483
Operating income	54,218		82,588		80,932		67,516		285,254
Net income	31,095		47,832		51,044		39,481		169,452
Net income per share:
Basic and diluted	0.36		0.56		0.59		0.46		1.97
2011
Revenue	$	422,679	$	480,255	$	494,475	$	485,132	$	1,882,541
Operating income	37,921		64,645		68,194		63,312		234,072
Net income	21,573		39,383		38,631		39,883		139,470
Net income per share:
Basic and diluted	0.26		0.46		0.45		0.46		1.63

- Definition

The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished.

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