Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net earnings	$ 27,494	$ 26,979	$ 79,157	$ 360,612
Other comprehensive income, net of tax:
Unrealized changes in fair value of cash flow hedges and available-for-sale securities	(2,738)	(789)	(3,108)	(3,159)
Realized losses on cash flow hedges reclassified from AOCI into earnings			3,040
Amortization of realized losses and unrealized changes in fair value of discontinued cash flow hedges		2,659		8,197
Foreign currency translation adjustment	(1,254)	1,221	(447)	(195)
Total other comprehensive income (Loss)	(3,992)	3,091	(515)	4,843
Comprehensive income	$ 23,502	$ 30,070	$ 78,642	$ 365,455