Debt (Tables)

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Summary of Indebtedness outstanding

Indebtedness outstanding was as follows:

	March 31,		December 31,
	2016		2015
Short-term debt:
Bank Credit Facility, expires July 30, 2019	$	-	$	-
Long-term debt:
4.50% Senior Notes, due December 1, 2025. Aggregate principal amount of $250,000 less unaccrued discount of $644 and $654 (4.5% imputed rate) and unamortized debt issuance costs of $2,334 and $2,371		247,022		246,975