Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net Income	$ 64,781	$ 44,817
Other Comprehensive Income (Loss):
Net unrealized gain on investments, net of taxes	57	0
Realized gain on investments	(38)	0
Net unrealized gain (loss) on derivatives	37	(2,107)
Amortization of loss on derivatives	473	656
Retirement liability adjustment	52	365
Total	581	(1,086)
Comprehensive Income	65,362	43,731
Comprehensive Income Attributable to Noncontrolling Interests	(1,478)	(1,467)
Comprehensive Income Adjusted for Noncontrolling Interests	$ 63,884	$ 42,264