Balance Sheet Information

6 Months Ended

Mar. 31, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

6.	Balance Sheet Information

Certain significant amounts included in the Company's condensed consolidated balance sheet as of March 31, 2019 and September 30, 2018, consisted of the following (in thousands):

	March 31,			September 30,
	2019			2018
Expendable parts and supplies, net:
Expendable parts and supplies	$	22,802		$	18,907
Less: obsolescence and other		(3,573	)		(3,249	)
	$	19,229		$	15,658

Prepaid expenses and other current assets:
Prepaid aircraft rent	$	36,736		$	30,267
Unutilized manufacturer credits		3,000			4,500
Deferred offering and reimbursed costs		2,242			1,945
Other		5,473			4,202
	$	47,451		$	40,914
Property and equipment, net:
Aircraft and other flight equipment substantially pledged	$	1,522,750		$	1,502,940
Other equipment		4,631			3,721
Leasehold improvements		2,836			2,754
Vehicles		898			692
Building		699			699
Furniture and fixtures		287			287
Total property and equipment		1,532,101			1,511,093
Less: accumulated depreciation		(294,486	)		(260,264	)
	$	1,237,615		$	1,250,829

Other accrued expenses:
Accrued property taxes	$	5,415		$	6,981
Accrued interest		4,922			6,118
Accrued vacation		5,596			5,470
Accrued wheels, brakes and tires		2,479			1,452
Other		8,932			9,675
	$	27,344		$	29,696

Depreciation expense totaled approximately $18.8 million and $15.6 million for the three months ended March 31, 2019 and 2018, respectively, and $36.9 million and $31.4 million for the six months ended March 31, 2019 and 2018, respectively.

The Company recorded amortization of the unfavorable lease liability for approximately $1.5 million and $1.7 million for the three months ended March 31, 2019 and 2018, respectively, and $3.1 million and $3.4 million for the six months ended March 31, 2019 and 2018, respectively, as a reduction to lease expense.