| Disaggregation of Revenue | 
By operating segment and service 
 |  
 | 
 | 
 | 
 | 
 | 
 
(dollars in thousands)  | 
   | 
Revenue for the three months ended December 31, 2018  | 
 
Program administration  | 
   | 
$  | 
218,973  | 
 
  | 
 
Assessments and appeals  | 
   | 
37,221  | 
 
  | 
 
Workforce and children services  | 
   | 
23,903  | 
 
  | 
 
Other  | 
   | 
14,116  | 
 
  | 
 
Total U.S. Health and Human Services  | 
   | 
$  | 
294,213  | 
 
  | 
 
   | 
   | 
   | 
 
Program administration  | 
   | 
$  | 
140,121  | 
 
  | 
 
Technology solutions  | 
   | 
38,883  | 
 
  | 
 
Assessments and appeals  | 
   | 
37,983  | 
 
  | 
 
Total U.S. Federal Services  | 
   | 
$  | 
216,987  | 
 
  | 
 
   | 
   | 
   | 
 
Workforce and children services  | 
   | 
$  | 
73,278  | 
 
  | 
 
Assessments and appeals  | 
   | 
62,310  | 
 
  | 
 
Program administration  | 
   | 
15,320  | 
 
  | 
 
Other  | 
   | 
2,511  | 
 
  | 
 
Total Outside the U.S.  | 
   | 
$  | 
153,419  | 
 
  | 
 
   | 
   | 
   | 
 
Total revenue  | 
   | 
$  | 
664,619  | 
 
  | 
 
  
  
By contract type 
 |  
 | 
 | 
 | 
 | 
 | 
 
(dollars in thousands)  | 
   | 
Revenue for the three months ended December 31, 2018  | 
 
Performance-based  | 
   | 
$  | 
312,887  | 
 
  | 
 
Cost-plus  | 
   | 
175,298  | 
 
  | 
 
Fixed price  | 
   | 
147,151  | 
 
  | 
 
Time and materials  | 
   | 
29,283  | 
 
  | 
 
Total revenue  | 
   | 
$  | 
664,619  | 
 
  | 
 
  
  
By customer type 
 |  
 | 
 | 
 | 
 | 
 | 
 
(dollars in thousands)  | 
   | 
Revenue for the three months ended December 31, 2018  | 
 
New York State government agencies  | 
   | 
$  | 
91,712  | 
 
  | 
 
Other U.S. state government agencies  | 
   | 
198,902  | 
 
  | 
 
Total U.S. state government agencies  | 
   | 
290,614  | 
 
  | 
 
   | 
   | 
   | 
 
United States Federal Government agencies  | 
   | 
198,278  | 
 
  | 
 
International government agencies  | 
   | 
142,781  | 
 
  | 
 
Other, including local municipalities and commercial customers  | 
   | 
32,946  | 
 
  | 
 
Total revenue  | 
   | 
$  | 
664,619  | 
 
  | 
 
  
  
By geography 
 |  
 | 
 | 
 | 
 | 
 | 
 
(dollars in thousands)  | 
   | 
Revenue for the three months ended December 31, 2018  | 
 
United States of America  | 
   | 
$  | 
511,200  | 
 
  | 
 
United Kingdom  | 
   | 
73,418  | 
 
  | 
 
Australia  | 
   | 
53,373  | 
 
  | 
 
Rest of world  | 
   | 
26,628  | 
 
  | 
 
Total revenue  | 
   | 
$  | 
664,619  | 
 
  | 
 
  
 
 |