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Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Schedule of Operating Results by Segment

1. Information about Operations in our Different Industry Segments:

						Year Ended December 31,
						2021						2020						2019
						(In thousands)
REVENUES:
Nuclear Operations Group						$	1,622,598					$	1,646,257					$	1,428,587
Nuclear Power Group						407,082						371,269						352,640
Nuclear Services Group						123,538						136,493						131,339
Eliminations (1)						(29,144)						(30,503)						(17,646)
						$	2,124,074					$	2,123,516					$	1,894,920

(1)Segment revenues are net of the following intersegment transfers:

Nuclear Operations Group Transfers						$	(5,402)					$	(3,791)					$	(4,382)
Nuclear Power Group Transfers						(778)						(553)						(208)
Nuclear Services Group Transfers						(22,964)						(26,159)						(13,056)
						$	(29,144)					$	(30,503)					$	(17,646)

OPERATING INCOME:
Nuclear Operations Group						$	308,645					$	326,049					$	298,328
Nuclear Power Group						52,548						51,989						53,815
Nuclear Services Group						27,932						26,436						14,226
Other						(24,333)						(22,309)						(23,099)
						$	364,792					$	382,165					$	343,270
Unallocated Corporate (1)						(18,944)						(23,613)						(17,749)
Total Operating Income (2)						$	345,848					$	358,552					$	325,521
Other Income (Expense)						49,865						3,620						(11,779)
Income before Provision for Income Taxes						$	395,713					$	362,172					$	313,742

(1)Unallocated Corporate includes general corporate overhead not allocated to segments.

(2)The following amounts are included in Operating Income:

Losses (Gains) on Asset Disposals and Impairments, Net:
Nuclear Operations Group						$	(8)					$	(8)					$	(6)
Nuclear Power Group						(2,548)						(1,681)						103
Nuclear Services Group						—						328						2,727
Other						—						—						—
Unallocated Corporate						(976)						—						—
						$	(3,532)					$	(1,361)					$	2,824
Equity in Income of Investees:
Nuclear Operations Group						$	—					$	—					$	—
Nuclear Power Group						—						—						—
Nuclear Services Group						33,498						27,152						28,924
Other						—						—						—
						$	33,498					$	27,152					$	28,924

						Year Ended December 31,
						2021						2020						2019
						(In thousands)
CAPITAL EXPENDITURES:
Nuclear Operations Group						$	143,945					$	135,637					$	133,279
Nuclear Power Group						153,571						106,596						38,053
Nuclear Services Group						2,940						1,326						1,169
Other						166						252						2,597
Segment Capital Expenditures						300,622						243,811						175,098
Corporate Capital Expenditures						10,430						11,216						7,026
Total Capital Expenditures						$	311,052					$	255,027					$	182,124
DEPRECIATION AND AMORTIZATION:
Nuclear Operations Group						$	40,514					$	33,174					$	33,231
Nuclear Power Group						19,774						18,325						17,054
Nuclear Services Group						1,005						1,685						3,246
Other						1,076						645						787
Segment Depreciation and Amortization						62,369						53,829						54,318
Corporate Depreciation and Amortization						6,711						6,845						7,404
Total Depreciation and Amortization						$	69,080					$	60,674					$	61,722

						December 31,
						2021						2020						2019
						(In thousands)
SEGMENT ASSETS:
Nuclear Operations Group						$	1,243,766					$	1,184,741					$	986,827
Nuclear Power Group						974,372						828,729						580,413
Nuclear Services Group						186,249						166,240						177,952
Other						2,858						3,638						3,751
Segment Assets						2,407,245						2,183,348						1,748,943
Corporate Assets						94,135						110,155						159,970
Total Assets						$	2,501,380					$	2,293,503					$	1,908,913
INVESTMENT IN UNCONSOLIDATED AFFILIATES:
Nuclear Operations Group						$	—					$	—					$	—
Nuclear Power Group						—						—						—
Nuclear Services Group						85,284						71,806						70,116
Other						—						—						—
Total Investment in Unconsolidated Affiliates						$	85,284					$	71,806					$	70,116

Schedule of Revenue Information from Products and Service Lines

2. Information about our Product and Service Lines:

						Year Ended December 31,
						2021						2020						2019
						(In thousands)
REVENUES:
Nuclear Operations Group:
Government Programs						$	1,527,704					$	1,540,256					$	1,368,555
Commercial Operations						94,894						106,001						60,032
						1,622,598						1,646,257						1,428,587
Nuclear Power Group:
Nuclear Manufacturing						246,444						250,585						243,472
Nuclear Services and Engineering						160,638						120,684						109,168
						407,082						371,269						352,640
Nuclear Services Group:
Nuclear Environmental Services						77,514						94,320						102,726
Nuclear Services and Advanced Reactor Design and Engineering						46,024						42,173						28,613
						123,538						136,493						131,339
Eliminations						(29,144)						(30,503)						(17,646)
						$	2,124,074					$	2,123,516					$	1,894,920

Schedule of Property, Plant and Equipment, Net by Geographical Area

3. Information about our Consolidated Operations in Different Geographic Areas:

						December 31,
						2021						2020						2019
						(In thousands)
NET PROPERTY, PLANT AND EQUIPMENT:
U.S.						$	698,772					$	603,518					$	494,202
Canada						346,868						212,953						86,039
						$	1,045,640					$	816,471					$	580,241

See Note 3 for revenues by geographic area for each of our segments.

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Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.

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