XML 56 R40.htm IDEA: XBRL DOCUMENT
v3.20.4

Goodwill, Identifiable Intangible Assets, And Other Long-Lived Assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The changes in the carrying amount of goodwill by reportable segment during the years ended December 31, 2020 and 2019 were as follows (in thousands):
| United States electrical construction and facilities services segment |  | United States mechanical construction and facilities services segment |  | United States building services segment |  | United States industrial services segment |  | Total
Balance at December 31, 2018 | $ | 133,207 |  |  | $ | 256,321 |  |  | $ | 274,171 |  |  | $ | 327,188 |  |  | $ | 990,887 |
Acquisitions and purchase price adjustments | 9,338 |  |  | 48,699 |  |  | 14,987 |  |  | — |  |  | 73,024 |
Intersegment transfers | — |  |  | (5,800) |  |  | — |  |  | 5,800 |  |  | — |
Balance at December 31, 2019 | 142,545 |  |  | 299,220 |  |  | 289,158 |  |  | 332,988 |  |  | 1,063,911 |
Acquisitions and purchase price adjustments | — |  |  | 398 |  |  | 12,974 |  |  | — |  |  | 13,372 |
Impairment | — |  |  | — |  |  | — |  |  | (225,500) |  |  | (225,500) |
Balance at December 31, 2020 | $ | 142,545 |  |  | $ | 299,618 |  |  | $ | 302,132 |  |  | $ | 107,488 |  |  | $ | 851,783 |
Schedule of Intangible Assets | Identifiable intangible assets as of December 31, 2020 and 2019 consisted of the following (in thousands):
| December 31, 2020
| Gross Carrying Amount |  | Accumulated Amortization |  | Accumulated Impairment Charge |  | Total
Contract backlog | $ | 72,045 |  |  | $ | (68,766) |  |  | $ | — |  |  | $ | 3,279 |
Developed technology/Vendor network | 95,661 |  |  | (64,994) |  |  | — |  |  | 30,667 |
Customer relationships | 670,155 |  |  | (324,426) |  |  | (4,834) |  |  | 340,895 |
Trade names (amortized) | 31,516 |  |  | (23,002) |  |  | — |  |  | 8,514 |
Trade names (unamortized) | 258,471 |  |  | — |  |  | (58,933) |  |  | 199,538 |
Total | $ | 1,127,848 |  |  | $ | (481,188) |  |  | $ | (63,767) |  |  | $ | 582,893 |
| December 31, 2019
| Gross Carrying Amount |  | Accumulated Amortization |  | Accumulated Impairment Charge |  | Total
Contract backlog | $ | 66,745 |  |  | $ | (61,651) |  |  | $ | — |  |  | $ | 5,094 |
Developed technology/Vendor network | 95,661 |  |  | (60,156) |  |  | — |  |  | 35,505 |
Customer relationships | 644,755 |  |  | (277,601) |  |  | (4,834) |  |  | 362,320 |
Trade names (amortized) | 31,148 |  |  | (21,830) |  |  | — |  |  | 9,318 |
Trade names (unamortized) | 251,440 |  |  | — |  |  | (52,233) |  |  | 199,207 |
Total | $ | 1,089,749 |  |  | $ | (421,238) |  |  | $ | (57,067) |  |  | $ | 611,444 |
Schedule of Estimated Future Amortization Expense | The following table presents the estimated future amortization expense of identifiable intangible assets in the following years (in thousands):
2021 | $ | 56,502 |
2022 | 51,020 |
2023 | 50,015 |
2024 | 49,664 |
2025 | 48,582 |
Thereafter | 127,572 |
| $ | 383,355 |

X
- Definition Tabular disclosure of finite and indefinite lived intangible assets, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
Name: | eme_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | eme_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration