Segment Information (Tables)

3 Months Ended

Dec. 31, 2020


	Three Months Ended December 31,
(in thousands)		2020		% (1)	2019		% (1)
Revenue:
U.S. Services		$	384,934		$	312,281
U.S. Federal Services		405,245			366,571
Outside the U.S.		155,375			139,377
Total		$	945,554		$	818,229
Gross profit:
U.S. Services		$	99,002	25.7%	$	89,590	28.7%
U.S. Federal Services		82,496		20.4%	70,821		19.3%
Outside the U.S.		24,557		15.8%	15,039		10.8%
Total		$	206,055	21.8%	$	175,450	21.4%
Selling, general & administrative expense:
U.S. Services		$	37,456	9.7%	$	31,398	10.1%
U.S. Federal Services		52,252		12.9%	39,239		10.7%
Outside the U.S.		20,032		12.9%	16,053		11.5%

Other (2)		2,227		NM	537		NM
Total		$	111,967	11.8%	$	87,227	10.7%
Operating income:
U.S. Services		$	61,546	16.0%	$	58,192	18.6%
U.S. Federal Services		30,244		7.5%	31,582		8.6%
Outside the U.S.		4,525		2.9%	(1,014)		(0.7)%
Amortization of intangible assets		(6,516)		NM	(9,088)		NM

Acquisition-related expenses		(1,873)		NM	—		NM

Other (2)		(354)		NM	(537)		NM
Total		$	87,572	9.3%	$	79,135	9.7%

(1) Percentage of respective segment revenue. Percentages not considered meaningful are marked “NM.”

(2) Other selling, general, and administrative expenses includes credits and costs that are not allocated to a particular segment.

Identifiable assets for the segments are shown below: