Reportable Segments (Tables)

12 Months Ended

Dec. 31, 2022

Segment Reporting [Abstract]

Schedule of segment reporting information, by segment

The following tables set forth summarized financial information concerning our reportable segments:

	Fiscal Years Ended
	December 31, 2022		January 1, 2022		January 2, 2021
Gross revenues
INF	$	395,878	$	383,725	$	352,965
BTS	232,577		185,995		157,432
GEO	158,323		136,986		148,899
Total gross revenues	$	786,778	$	706,706	$	659,296
Segment income before taxes
INF	$	68,259	$	71,838	$	62,574
BTS	43,810		35,221		21,091
GEO	42,640		33,027		30,013
Total Segment income before taxes	154,709		140,086		113,678
Corporate(1)	(92,335)		(77,981)		(84,710)
Total income before taxes	$	62,374	$	62,105	$	28,968

(1) Includes amortization of intangibles of $32,341, $33,498, and $34,596 for the fiscal years ended 2022, 2021, and 2020, respectively.

	December 31, 2022		January 1, 2022
Assets
INF	$	226,301	$	246,377
BTS	231,049		246,841
GEO	366,385		361,793
Corporate(1)	111,988		106,932
Total assets	$	935,723	$	961,943

(1) Corporate assets consist of intercompany eliminations and assets not allocated to segments including cash and cash equivalents and certain other assets.

Schedule of revenue from external customers by geographic areas

Gross revenue, classified by the major geographic areas in which our customers were located, were as follows:

	Fiscal Year 2022
	INF		BTS		GEO		Total
United States	$	395,878	$	204,036	$	154,584	$	754,498
Foreign	—		28,541		3,739		32,280
Total gross revenues	$	395,878	$	232,577	$	158,323	$	786,778

	Fiscal Year 2021
	INF		BTS		GEO		Total
United States	$	383,725	$	167,057	$	134,003	$	684,785
Foreign	—		18,938		2,983		21,921
Total gross revenues	$	383,725	$	185,995	$	136,986	$	706,706

	Fiscal Year 2020
	INF		BTS		GEO		Total
United States	$	352,965	$	147,806	$	146,511	$	647,282
Foreign	—		9,626		2,388		12,014
Total gross revenues	$	352,965	$	157,432	$	148,899	$	659,296

Schedule of revenue by major customers by reporting segments

Gross revenue by customer were as follows:

	Fiscal Year 2022
	INF		BTS		GEO		Total
Public and quasi-public sector	$	312,817	$	61,726	$	128,786	$	503,329
Private sector	83,061		170,851		29,537		283,449
Total gross revenues	$	395,878	$	232,577	$	158,323	$	786,778

	Fiscal Year 2021
	INF		BTS		GEO		Total
Public and quasi-public sector	$	304,753	$	66,964	$	86,628	$	458,345
Private sector	78,972		119,031		50,358		248,361
Total gross revenues	$	383,725	$	185,995	$	136,986	$	706,706

	Fiscal Year 2020
	INF		BTS		GEO		Total
Public and quasi-public sector	$	279,965	$	67,434	$	101,456	$	448,855
Private sector	73,000		89,998		47,443		210,441
Total gross revenues	$	352,965	$	157,432	$	148,899	$	659,296

Schedule of revenue from external customers by products and services

Gross revenues by contract type were as follows:

	Fiscal Year 2022
	INF		BTS		GEO		Total
Cost-reimbursable contracts	$	379,818	$	155,632	$	157,992	$	693,442
Fixed-unit price contracts	16,060		76,945		331		93,336
Total gross revenues	$	395,878	$	232,577	$	158,323	$	786,778

	Fiscal Year 2021
	INF		BTS		GEO		Total
Cost-reimbursable contracts	$	367,310	$	133,272	$	136,683	$	637,265
Fixed-unit price contracts	16,415		52,723		303		69,441
Total gross revenues	$	383,725	$	185,995	$	136,986	$	706,706

	Fiscal Year 2020
	INF		BTS		GEO		Total
Cost-reimbursable contracts	$	337,580	$	123,135	$	148,631	$	609,346
Fixed-unit price contracts	15,385		34,297		268		49,950
Total gross revenues	$	352,965	$	157,432	$	148,899	$	659,296