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Property and Equipment, net
 3 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Property and Equipment, net Property and Equipment, net
Property and equipment, net consisted of the following:
Depreciable
Lives (in years)		December 31, 2020September 30, 2020
Land (1)
—$8,351 $3,189 
Buildings and building improvements (1)
3-35
68,159 28,046 
Leasehold improvements
1-28
63,267 62,899 
Training equipment
3-10
91,899 91,731 
Office and computer equipment
3-10
33,591 33,524 
Curriculum development
5
19,692 19,692 
Software developed for internal use
1-5
11,959 11,951 
Vehicles
5
1,449 1,502 
Right-of-use assets for finance leases
2-3
359 359 
Construction in progress—2,671 2,213 
301,397 255,106 
Less: Accumulated depreciation and amortization(184,760)(182,363)
$116,637 $72,743 
    
(1) During the three months ended December 31, 2020, land and buildings and building improvements increased due to the purchase of the building and land at our Avondale, Arizona campus location. The total purchase price was approximately $45.2 million, of which $5.1 million was allocated to land and $40.1 million was allocated to buildings and building improvements based upon the appraised values.