Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 65,986	$ 37,018
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	118,167	108,569
Amortization of deferred financing costs	9,417	5,760
Amortization of net lease discounts and lease incentives	6,132	9,754
Deferred income taxes	2,712	2,537
Non-cash share based payment expense	3,073	3,711
Cash flow hedges reclassified into earnings	8,226	4,074
Ineffective portion of cash flow hedges	(598)	1,769
Security deposits and maintenance payments included in earnings	(25,282)	(9,978)
(Gain) loss on sale of flight equipment	(19,961)	1,291
Impairment of aircraft	5,200
Other	566	546
Changes in certain assets and liabilities:
Accounts receivable	(1,366)	(662)
Restricted cash and cash equivalents	5,807	12,436
Other assets	(1,276)	655
Accounts payable, accrued expenses and other liabilities	(11,861)	(5,445)
Lease rentals received in advance	(5,231)	(1,343)
Net cash provided by operating activities	159,711	170,692
Cash flows from investing activities:
Acquisition and improvement of flight equipment and lease incentives	(196,132)	(55,353)
Proceeds from sale of flight equipment	151,577	17,707
Restricted cash and cash equivalents related to sale of flight equipment		(17,707)
Aircraft purchase deposits and progress payments, net of aircraft sale deposits	(76,897)	(74,666)
Other	(10)	(16)
Net cash used in investing activities	(121,462)	(130,035)
Cash flows from financing activities:
Repurchase of shares	(61,403)	(1,663)
Proceeds from term debt financings	230,333	57,089
Securitization and term debt financing repayments	(252,912)	(88,341)
Deferred financing costs	(11,253)	(2,023)
Restricted secured liquidity facility collateral	(37,000)	2,000
Secured liquidity facility collateral	37,000	(2,000)
Security deposits received	10,317	3,917
Security deposits returned	(7,764)	(8,760)
Maintenance payments received	57,571	57,762
Maintenance payments returned	(43,257)	(35,702)
Dividends paid	(15,821)	(15,906)
Net cash used in financing activities	(94,189)	(33,627)
Net increase (decrease) in cash and cash equivalents	(55,940)	7,030
Cash and cash equivalents at beginning of period	239,957	142,666
Cash and cash equivalents at end of period	184,017	149,696
Supplemental disclosures of cash flow information:
Cash paid for interest, net of capitalized interest	83,754	70,216
Cash paid for income taxes	1,525	2,595
Supplemental disclosures of non-cash investing activities:
Security deposits, maintenance liabilities and other liabilities settled in sale of flight equipment	9,566
Supplemental disclosures of non-cash financing activities:
Advance lease rentals converted to maintenance reserves		1,750
Security deposits converted to advance lease rentals	$ 546