Debt (Tables)

9 Months Ended

Sep. 30, 2013

Debt Disclosure [Abstract]

Summary of Indebtedness outstanding

Indebtedness outstanding was as follows:

	September 30,		December 31,
	2013		2012
Short-term debt:
Bank Credit Facility, expires October 6, 2015	$	38,000	$	38,000
Long-term debt:
6.05% Senior Notes, due June 15, 2015. Aggregate
principal amount of $75,000 less unaccrued discount
of $45 and $65 (6.1% imputed rate)		74,955		74,935
6.85% Senior Notes, due April 15, 2016. Aggregate
principal amount of $125,000 less unaccrued discount
of $97 and $126 (6.9% imputed rate)		124,903		124,874
Total	$	237,858	$	237,809