Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net income	$ 88,651	$ 45,587
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	178,299	164,272
Amortization of deferred financing costs	12,394	11,494
Amortization of net lease discounts and lease incentives	10,841	13,957
Deferred income taxes	3,854	2,957
Non-cash share based payment expense	4,692	5,243
Cash flow hedges reclassified into earnings	13,943	6,412
Ineffective portion of cash flow hedges	(716)	2,533
Security deposits and maintenance payments included in earnings	(25,262)	(13,026)
(Gain) loss on sale of flight equipment	(28,958)	1,291
Impairment of aircraft	6,436	7,342
Other	654	990
Changes in certain assets and liabilities:
Accounts receivable	(1,629)	15
Restricted cash and cash equivalents	(4,521)	17,503
Other assets	(3,098)	(4,288)
Accounts payable, accrued expenses and other liabilities	(7,446)	3,137
Lease rentals received in advance	(3,517)	3,298
Net cash provided by operating activities	244,617	268,717
Cash flows from investing activities:
Acquisition and improvement of flight equipment and lease incentives	(409,421)	(230,450)
Proceeds from sale of flight equipment	318,547	34,832
Aircraft purchase deposits and progress payments, net of aircraft sale deposits	(96,939)	(124,994)
Other	(35)	(23)
Net cash used in investing activities	(187,848)	(320,635)
Cash flows from financing activities:
Repurchase of shares	(91,402)	(1,662)
Proceeds from term debt financings	388,894	472,682
Securitization and term debt financing repayments	(317,504)	(257,418)
Deferred financing costs	(18,175)	(11,974)
Restricted secured liquidity facility collateral	(36,000)	4,000
Secured liquidity facility collateral	36,000	(4,000)
Security deposits received	17,088	6,675
Security deposits returned	(7,764)	(10,255)
Maintenance payments received	89,184	89,035
Maintenance payments returned	(65,608)	(39,511)
Payments for terminated hedges		(3,586)
Dividends paid	(25,185)	(23,853)
Net cash provided by (used in) financing activities	(30,472)	220,133
Net increase (decrease) in cash and cash equivalents	26,297	168,215
Cash and cash equivalents at beginning of period	239,957	142,666
Cash and cash equivalents at end of period	266,254	310,881
Supplemental disclosures of cash flow information:
Cash paid for interest, net of capitalized interest	130,923	103,895
Cash paid for income taxes	1,612	3,121
Supplemental disclosures of non-cash investing activities:
Security deposits, maintenance liabilities and other liabilities settled in sale of flight equipment	11,066	100
Advance lease rentals and security deposits assumed in asset acquisitions	267	4,330
Supplemental disclosures of non-cash financing activities:
Advance lease rentals converted to maintenance reserves		1,750
Security deposits converted to advance lease rentals	$ 627	$ 730