XML 62 R49.htm IDEA: XBRL DOCUMENT v3.22.4

Revenue from Contracts with Customers - Schedule of Disaggregation of Revenues (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues		$ 11,076,120	$ 9,903,580	$ 8,797,061
UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		10,599,042	9,393,629	8,366,498
United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		2,433,114	2,029,893	1,829,979
United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		4,326,674	3,952,586	3,516,789
United States Building Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		2,720,487	2,424,743	2,078,835
United States Industrial Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		1,118,767	986,407	940,895
United Kingdom Building Services | UNITED KINGDOM
Disaggregation of Revenue [Line Items]
Revenues		477,078	509,951	430,563
Operating Segments [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		2,437,304	2,033,168	1,835,017
Operating Segments [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		4,337,556	3,959,421	3,523,875
Intersegment Eliminations [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		(4,190)	(3,275)	(5,038)
Intersegment Eliminations [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		(10,882)	(6,835)	(7,086)
Commercial Market Sector [Member] | Operating Segments [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 1,320,392	$ 1,063,242	$ 970,576
Percentage of total segment revenues		54.00%	52.00%	53.00%
Commercial Market Sector [Member] | Operating Segments [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 1,711,772	$ 1,524,685	$ 1,315,973
Percentage of total segment revenues		39.00%	39.00%	37.00%
Manufacturing Market Sector [Member] | Operating Segments [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 301,606	$ 230,894	$ 241,415
Percentage of total segment revenues		12.00%	11.00%	13.00%
Manufacturing Market Sector [Member] | Operating Segments [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 632,332	$ 579,176	$ 486,753
Percentage of total segment revenues		15.00%	15.00%	14.00%
Healthcare Market Sector [Member] | Operating Segments [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 178,348	$ 107,442	$ 79,275
Percentage of total segment revenues		7.00%	5.00%	4.00%
Healthcare Market Sector [Member] | Operating Segments [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 480,954	$ 488,910	$ 346,315
Percentage of total segment revenues		11.00%	12.00%	10.00%
Institutional Market Sector [Member] | Operating Segments [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 154,077	$ 178,729	$ 146,759
Percentage of total segment revenues		6.00%	9.00%	8.00%
Institutional Market Sector [Member] | Operating Segments [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 353,611	$ 280,463	$ 377,738
Percentage of total segment revenues		8.00%	7.00%	11.00%
Transportation Market Sector [Member] | Operating Segments [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 166,563	$ 196,313	$ 192,656
Percentage of total segment revenues		7.00%	10.00%	10.00%
Transportation Market Sector [Member] | Operating Segments [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 57,026	$ 84,503	$ 70,692
Percentage of total segment revenues		1.00%	2.00%	2.00%
Water and Wastewater Market Sector [Member] | Operating Segments [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 21,251	$ 14,962	$ 6,882
Percentage of total segment revenues		1.00%	1.00%	1.00%
Water and Wastewater Market Sector [Member] | Operating Segments [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 261,500	$ 213,315	$ 185,996
Percentage of total segment revenues		6.00%	5.00%	5.00%
Hospitality Market Sector [Member] | Operating Segments [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 17,563	$ 15,346	$ 23,797
Percentage of total segment revenues		1.00%	1.00%	1.00%
Hospitality Market Sector [Member] | Operating Segments [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 29,511	$ 38,405	$ 40,079
Percentage of total segment revenues		1.00%	1.00%	1.00%
Short Duration Projects [Member] | Operating Segments [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	[1]	$ 211,795	$ 185,277	$ 145,370
Percentage of total segment revenues		9.00%	9.00%	8.00%
Short Duration Projects [Member] | Operating Segments [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues	[1]	$ 337,522	$ 297,673	$ 335,262
Percentage of total segment revenues		8.00%	8.00%	10.00%
Service Work [Member] | Operating Segments [Member] | United States Electrical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 65,709	$ 40,963	$ 28,287
Percentage of total segment revenues		3.00%	2.00%	2.00%
Service Work [Member] | Operating Segments [Member] | United States Mechanical Construction And Facilities Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 473,328	$ 452,291	$ 365,067
Percentage of total segment revenues		11.00%	11.00%	10.00%
Service Work [Member] | Operating Segments [Member] | United Kingdom Building Services | UNITED KINGDOM
Disaggregation of Revenue [Line Items]
Revenues		$ 221,123	$ 261,889	$ 221,373
Percentage of total segment revenues		46.00%	51.00%	51.00%
Mobile Mechanical Services [Member] | Operating Segments [Member] | United States Building Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 1,713,989	$ 1,560,120	$ 1,323,499
Percentage of total segment revenues		63.00%	64.00%	64.00%
Commercial Site-Based Services [Member] | Operating Segments [Member] | United States Building Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 810,210	$ 680,351	$ 587,346
Percentage of total segment revenues		30.00%	28.00%	28.00%
Government Site-Based Services [Member] | Operating Segments [Member] | United States Building Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 196,288	$ 184,272	$ 167,990
Percentage of total segment revenues		7.00%	8.00%	8.00%
Field Services [Member] | Operating Segments [Member] | United States Industrial Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 972,894	$ 853,143	$ 813,872
Percentage of total segment revenues		87.00%	86.00%	86.00%
Shop Services [Member] | Operating Segments [Member] | United States Industrial Services | UNITED STATES
Disaggregation of Revenue [Line Items]
Revenues		$ 145,873	$ 133,264	$ 127,023
Percentage of total segment revenues		13.00%	14.00%	14.00%
Project Work [Member] | Operating Segments [Member] | United Kingdom Building Services | UNITED KINGDOM
Disaggregation of Revenue [Line Items]
Revenues		$ 255,955	$ 248,062	$ 209,190
Percentage of total segment revenues		54.00%	49.00%	49.00%
[1] Represents those projects which generally are completed within three months or less.

X

- Definition

Percentage of total segment revenues.

+ References

No definition available.

+ Details

Name:	eme_PercentageOfTotalSegmentRevenues
Namespace Prefix:	eme_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DisaggregationOfRevenueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eme_UnitedStatesElectricalConstructionAndFacilitiesServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eme_UnitedStatesMechanicalConstructionAndFacilitiesServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eme_UnitedStatesBuildingServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eme_UnitedStatesIndustrialServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eme_UnitedKingdomBuildingServicesMemberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_GB
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_CommercialMarketSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_ManufacturingMarketSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_HealthcareMarketSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_InstitutionalMarketSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_TransportationMarketSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_WaterandWastewaterMarketSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_HospitalityMarketSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_ShortDurationProjectsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_ServiceWorkMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_MobileMechanicalServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_CommercialSiteBasedServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_GovernmentSiteBasedServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_FieldServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_ShopServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=eme_ProjectWorkMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: