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Leases and Commitments (Tables)

6 Months Ended

Mar. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

Schedule of Lease Related Terms and Discount Rates

The table below presents lease related terms and discount rates as of March 31, 2020:

As of March 31,2020
Weighted average remaining lease term Operating    leases		4.0 years
Weighted average discount rate Operating leases			4.2	%

Schedule of Operating Lease Cost

		Three Months Ended March 31,
		2020				2019				$ Change				% Change
Operating lease cost		$	18,583			$	18,714			$	(131	)			(0.7	)%
		Six Months Ended March 31,
		2020				2019				$ Change				% Change
Operating lease cost		$	35,366			$	37,804			$	(2,438	)			(6.4	)%

Schedule of Future Minimum Rental Payments under Operating Leases of Initial or Remaining Non-cancelable Lease Terms

The following table summarizes future minimum rental payments primarily related to leased aircraft required under operating leases that had initial or remaining non-cancelable lease terms as of March 31, 2020 (in thousands):

Periods Ending March 31,		Total Maturities
2020		$	22,120
2021			46,777
2022			31,916
2023			14,547
2024			13,982
Thereafter			1,654
Less: Interest		$	(8,740	)
Amounts recorded in the Consolidated Balance Sheet		$	122,256

Schedule of Future Minimum Lease Obligations under Non-cancelable Operating Leases

The following represents future minimum lease obligations under non-cancelable operating leases as of September 30, 2019 (in thousands):

Periods Ending September 30,		Total Payments
2020			47,814
2021			46,007
2022			31,090
2023			13,726
2024			13,185
Thereafter			1,368
Total		$	153,190

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Schedule of weighted average remaining lease terms and discount rates for operating leases.

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- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

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