Segment Reporting (Tables)

12 Months Ended

Dec. 30, 2022

Segment Reporting [Abstract]

Segment Reporting Information, by Segment

Segment information is presented for selected data from the statements of income and statements of cash flows for 2022, 2021 and 2020. Segment information for selected data from the balance sheets is presented for the fiscal years ended December 30, 2022 and December 31, 2021. The Company’s CEO, the chief operating decision maker, does not review total assets in her evaluation of segment performance and capital allocation.

Revenues

	Fiscal Years
(In thousands)	2022		2021		2020
Engineering and Other Scientific	$	427,796	$	380,909	$	319,346
Environmental and Health		85,497		85,360		80,554
Total revenues	$	513,293	$	466,269	$	399,900

Operating Income

	Fiscal Years
(In thousands)	2022			2021			2020
Engineering and Other Scientific	$	152,679		$	140,400		$	100,616
Environmental and Health		27,340			27,952			26,728
Total segment operating income		180,019			168,352			127,344
Corporate operating expense		(39,177	)		(59,425	)		(44,095	)
Total operating income	$	140,842		$	108,927		$	83,249

Capital Expenditures

	Fiscal Years
(In thousands)	2022		2021		2020
Engineering and Other Scientific	$	4,661	$	2,792	$	2,237
Environmental and Health		174		160		102
Total segment capital expenditures		4,835		2,952		2,339
Corporate capital expenditures		7,812		3,685		2,768
Total capital expenditures	$	12,647	$	6,637	$	5,107

Certain capital expenditures associated with the Company's corporate cost centers and the related depreciation are excluded from the Company's segment information.

Depreciation and Amortization

	Fiscal Years
(In thousands)	2022		2021		2020
Engineering and Other Scientific	$	4,489	$	4,031	$	4,239
Environmental and Health		171		193		196
Total segment depreciation and amortization		4,660		4,224		4,435
Corporate depreciation and amortization		2,419		2,263		2,436
Total depreciation and amortization	$	7,079	$	6,487	$	6,871

Operations In Different Geographical Areas

Information regarding the Company’s operations in different geographical areas:

Property, Equipment and Leasehold Improvements, net

	Fiscal Years
(In thousands)	2022		2021
United States	$	64,742	$	59,001
Foreign Countries		797		970
Total	$	65,539	$	59,971

Revenues (1)

	Fiscal Years
(In thousands)	2022		2021		2020
United States	$	450,445	$	397,001	$	353,565
Foreign Countries		62,848		69,268		46,335
Total	$	513,293	$	466,269	$	399,900

(1)Geographic revenues are allocated based on the location of the client.

Schedule of Goodwill

Below is a breakdown of goodwill, reported by segment as of December 30, 2022 and December 31, 2021:

(In thousands)	Environmental and Health		Engineering and Other Scientific		Total
Goodwill	$	8,099	$	508	$	8,607