Debt (Tables)

6 Months Ended

Jun. 30, 2012

Debt [Abstract]

Summary of Indebtedness outstanding

Indebtedness outstanding was as follows:

	June 30,		December 31,
	2012		2011
Short-term debt:
Bank Credit Facility	$	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 $78 and $92 (6.1% imputed rate)		74,922		74,908
6.85% Senior Notes, due April 15, 2016. Aggregate principal amount of $125,000 less unaccrued discount of $145 and $164 (6.9% imputed rate)		124,855		124,836
Total	$	237,777	$	237,744