Debt outstanding as of September 30, 2014 and December 31, 2013 consists of the following (in thousands):


	September 30, 2014		December 31, 2013
Revolving Credit Facility, principal due at maturity in December 2017; interest payable periodically at variable interest rates. The weighted average rate at September 30, 2014 and December 31, 2013 was 1.9% and 1.7%, respectively.	$	565,000	$	530,000
4.625% Senior Notes, principal due at maturity in May 2023; interest payable semi-annually in May and November at 4.625%.		350,000		350,000
4.125% Senior Notes, principal due at maturity in April 2020; interest payable semi-annually in April and October at 4.125%.		325,000		325,000

	$	1,240,000	$	1,205,000