Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
OPERATING ACTIVITIES:
Net earnings from continuing operations	$ 8,895	$ 6,522
Net loss from discontinued operations	214	211
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	28,993	24,979
Reclassification of pension and post-retirement balance	1,730	(793)
Deferred income taxes	5,440us-gaap_DeferredIncomeTaxExpenseBenefit	3,696us-gaap_DeferredIncomeTaxExpenseBenefit
Amortization of stock-based compensation	755us-gaap_ShareBasedCompensation	570us-gaap_ShareBasedCompensation
Amortization of DHL promissory note	(1,550)atsg_AmortizationOfDebt	(1,550)atsg_AmortizationOfDebt
Net gain on derivative instruments	13us-gaap_UnrealizedGainLossOnDerivatives	(299)us-gaap_UnrealizedGainLossOnDerivatives
Changes in assets and liabilities:
Accounts receivable	(901)	1,650
Inventory and prepaid supplies	2,578	(5,045)
Accounts payable	799	(3,627)
Unearned revenue	(1,234)	(1,371)
Accrued expenses, salaries, wages, benefits and other liabilities	(2,798)	209
Pension and post-retirement	(3,140)	(2,463)
Other	(456)	(887)
NET CASH PROVIDED BY OPERATING ACTIVITIES	39,338	21,802
INVESTING ACTIVITIES:
Capital expenditures	(43,440)	(4,362)
Proceeds from property and equipment	180	190
Investment in nonconsolidated affiliate	0	(15,000)
NET CASH (USED IN) INVESTING ACTIVITIES	(43,260)	(19,172)
FINANCING ACTIVITIES:
Principal payments on long term obligations	(26,026)	(23,374)
Proceeds from borrowings	20,000	15,000
Funding for hangar construction	0	1,147
NET CASH (USED IN) FINANCING ACTIVITIES	(6,026)	(7,227)
NET (DECREASE) IN CASH AND CASH EQUIVALENTS	(9,948)	(4,597)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	30,560	31,699
CASH AND CASH EQUIVALENTS AT END OF PERIOD	20,612	27,102
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid, net of amount capitalized	2,952us-gaap_InterestPaidNet	3,616us-gaap_InterestPaidNet
Federal alternative minimum and state income taxes paid	272us-gaap_IncomeTaxesPaid	55us-gaap_IncomeTaxesPaid
SUPPLEMENTAL NON-CASH INFORMATION:
Debt extinguished	1,550us-gaap_ExtinguishmentOfDebtAmount	1,550us-gaap_ExtinguishmentOfDebtAmount
Accrued capital expenditures	$ 2,987	$ 225

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- Definition

The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a),(b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

+ Details

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- Details

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

+ Details

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