LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Schedule of long-term debt

Long-term debt at December 31 consisted of the following (in thousands):

	2013		2012
5% Senior Notes, due September 2017 ($400 million principal amount; 5.1% effective rate)	$	398,961	$	398,678
7.875% Senior Notes, due August 2019 ($500 million principal amount; 8.0% effective rate)	498,171		497,842
4.875% Senior Notes, due June 2022 ($700 million principal amount; 4.6% effective rate)	713,208		714,775
5.4% Senior Notes, due December 2042 ($400 million principal amount; 5.4% effective rate)	398,360		398,303
Total long-term debt	$	2,008,700	$	2,009,598