Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Identifiable assets (Details)

v3.21.2
Segment Information - Identifiable assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Sep. 30, 2020
Financial information for each of the Company's business segments    
Assets $ 4,370,593 $ 2,024,702
Corporate    
Financial information for each of the Company's business segments    
Assets 187,600 159,965
U.S. Services | Operating Segments    
Financial information for each of the Company's business segments    
Assets 728,347 702,728
U.S. Federal Services | Operating Segments    
Financial information for each of the Company's business segments    
Assets 3,149,694 937,477
Outside the U.S. | Operating Segments    
Financial information for each of the Company's business segments    
Assets $ 304,952 $ 224,532