Annual report pursuant to Section 13 and 15(d)

Business segments - Schedule of Identifiable Assets (Details)

v3.19.3
Business segments - Schedule of Identifiable Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Sep. 30, 2018
Segment Reporting Information [Line Items]    
Identifiable assets $ 1,745,732 $ 1,462,000
Operating segments | U.S. Health and Human Services    
Segment Reporting Information [Line Items]    
Identifiable assets 500,641 442,063
Operating segments | U.S. Federal Services    
Segment Reporting Information [Line Items]    
Identifiable assets 795,553 375,807
Operating segments | Outside the U.S.    
Segment Reporting Information [Line Items]    
Identifiable assets 234,769 184,872
Corporate/Other    
Segment Reporting Information [Line Items]    
Identifiable assets $ 214,769 $ 459,258