Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Fair Value of Long-Term Debt

	March 31, 2015				December 31, 2014
	Recorded Amount		Fair Value		Recorded Amount		Fair Value
	(In thousands)
Long-term debt	$	4,013,121	$	4,142,435	$	2,934,131	$	2,994,935