Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Fair Value of Long-Term Debt

	December 31,
	2014				2013
	Recorded Amount		Fair Value		Recorded Amount		Fair Value
	(In thousands)
Long-term debt	$	2,934,131	$	2,994,935	$	1,078,864	$	1,109,878