Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Significant Accounting Policies [Abstract]

Property, Plant and Equipment [Table Text Block]



Lives of the assets are as follows:
	Years
Land improvements and buildings	5-30
Furniture and fixtures	3-5
Shop & service equipment	3-10
Revenue equipment	5-7

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

A reconciliation of the numerator (net income) and denominator (weighted average number of shares outstanding of the basic and diluted earnings per share ("EPS") for 2011 is as follows (in thousands, except per share data):



	2011
	Net Income (numerator) (in thousands)		Shares (denominator) (in thousands)	Per Share Amount
Basic EPS	$	69,932	89,656	$	0.78
Effect of restricted stock	—		17
Diluted EPS	$	69,932	89,673	$	0.78

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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