Revenue Recognition (Tables)

3 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Table 4.1: Revenue by Contract Type
	For the Three Months Ended
	December 31, 2022				December 31, 2021
	(dollars in thousands)
Performance-based	$	569,217	45.6	%	$	490,956	42.7	%
Cost-plus	347,319		27.8	%	340,081		29.5	%
Fixed price	175,073		14.0	%	151,505		13.2	%
Time and materials	157,637		12.6	%	168,334		14.6	%
Total revenue	$	1,249,246			$	1,150,876

Table 4.2: Revenue by Customer Type
	For the Three Months Ended
	December 31, 2022				December 31, 2021
	(dollars in thousands)
U. S. federal government agencies	$	603,918	48.3	%	$	564,094	49.0	%
U.S. state government agencies	437,362		35.0	%	371,547		32.3	%
International government agencies	181,760		14.5	%	171,375		14.9	%
Other, including local municipalities and commercial customers	26,206		2.1	%	43,860		3.8	%
Total revenue	$	1,249,246			$	1,150,876