Long-Term Debt and Credit Agreements (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Schedule of long term debt

Long-term debt at December 31, 2012 and 2011 consisted of the following:

	2012		2011
Credit agreement	$	57,814	$	37,800
Senior notes	35,000		35,000
Industrial revenue bonds	—		1,230
	92,814		74,030
Less current portion	—		305
	$	92,814	$	73,725

Schedule of debt ratios

The ratios as of December 31, 2012 are shown in the following table:

	Required Level	Actual Level
Interest Coverage Ratio	2.25 to 1 (minimum)	11.46
Leverage Ratio	3.25 to 1 (maximum)	1.14