Reversal of expenses associated with exit or disposal activities pursuant to an authorized plan.

No definition available.

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 4: 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

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: 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))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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Schedule of Restructuring Activities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 239us-gaap_RestructuringReserve	$ 324us-gaap_RestructuringReserve	$ 281us-gaap_RestructuringReserve	$ 194us-gaap_RestructuringReserve
Restructuring expenses	8us-gaap_RestructuringCharges	225us-gaap_RestructuringCharges
Payments for restructuring	(50)us-gaap_PaymentsForRestructuring	(95)us-gaap_PaymentsForRestructuring
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	6
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	2	225
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	0	300	0	0
Restructuring expenses	0	300
Payments for restructuring	0	0
Corporate, Non-Segment [Member] \| Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	0
Corporate, Non-Segment [Member] \| Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	0
UNITED STATES \| Operating Segments [Member] \| United States Electrical Construction And Facilities Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	239	24	255	30
Restructuring expenses	2	0
Payments for restructuring	(18)	(6)
UNITED STATES \| Operating Segments [Member] \| United States Mechanical Construction And Facilities Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	0	0	26	164
Restructuring expenses	6
Reversal of restructuring expenses		(75)
Payments for restructuring	(32)	(89)
UNITED STATES \| Operating Segments [Member] \| Employee Severance [Member] \| United States Electrical Construction And Facilities Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	0
UNITED STATES \| Operating Segments [Member] \| Employee Severance [Member] \| United States Mechanical Construction And Facilities Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	6
UNITED STATES \| Operating Segments [Member] \| Facility Closing [Member] \| United States Electrical Construction And Facilities Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	2
UNITED STATES \| Operating Segments [Member] \| Facility Closing [Member] \| United States Mechanical Construction And Facilities Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 0