Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt [Abstract]

Summary of Indebtedness outstanding

Indebtedness and scheduled maturities consisted of the following:

	Effective
	Interest	Final		December 31,
	Rates	Maturity		2013		2012
Short-term debt:
Bank Credit Facility	Variable	2015	$	38,000	$	38,000
Long-term debt:
6.05% Senior Notes, Face amount of $75,000 less      unaccrued discount of $38 and $65	6.1%	2015		74,962		74,935
6.85% Senior Notes, Face amount of $125,000 less      unaccrued discount of $88 and $126	6.9%	2016		124,912		124,874
Total			$	237,874	$	237,809