XML 57 R42.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Restructuring and Related Activities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Restructuring and Related Activities [Abstract] |
Schedule of Restructuring Reserve by Type of Cost | The changes in restructuring activity by reportable segments during the years ended December 31, 2017 and December 31, 2016 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 |  | Total
Balance at December 31, 2015 | $ | — |  |  | $ | — |  |  | $ | 81 |  |  | $ | 81 |
Charges | — |  |  | 519 |  |  | 919 |  |  | 1,438 |
Payments | — |  |  | (331 | ) |  | (987 | ) |  | (1,318 | )
Balance at December 31, 2016 | — |  |  | 188 |  |  | 13 |  |  | 201 |
Charges | 452 |  |  | 180 |  |  | 945 |  |  | 1,577 |
Payments | — |  |  | (368 | ) |  | (918 | ) |  | (1,286 | )
Balance at December 31, 2017 | $ | 452 |  |  | $ | — |  |  | $ | 40 |  |  | $ | 492 |
Restructuring and Related Costs | A summary of restructuring expenses by reportable segments recognized for the year ended December 31, 2017 was 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 |  | Total
Severance | $ | 391 |  |  | $ | 180 |  |  | $ | 945 |  |  | $ | 1,516 |
Leased facilities | 61 |  |  | — |  |  | — |  |  | 61 |
Total charges | $ | 452 |  |  | $ | 180 |  |  | $ | 945 |  |  | $ | 1,577 |

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

X
- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 + Details
Name: | us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
Name: | us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration