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)

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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))

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

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-Section S99

-Paragraph 1

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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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Commitments and Contingencies - Schedule of Restructuring Activities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	$ 281us-gaap_RestructuringReserve	$ 194us-gaap_RestructuringReserve	$ 53us-gaap_RestructuringReserve
Restructuring expenses	1,168us-gaap_RestructuringCharges	647us-gaap_RestructuringCharges	145us-gaap_RestructuringCharges
Payments for restructuring	(1,081)us-gaap_PaymentsForRestructuring	(506)us-gaap_PaymentsForRestructuring
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	568	500	70
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	600	100	70
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	0	0	0
Restructuring expenses	300	0
Payments for restructuring	(300)	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	300
UNITED STATES \| Operating Segments [Member] \| United States Electrical Construction And Facilities Services
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	255	30	53
Restructuring expenses	638	0
Payments for restructuring	(413)	(23)
UNITED STATES \| Operating Segments [Member] \| United States Mechanical Construction And Facilities Services
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	26	164	0
Restructuring expenses	230	479
Payments for restructuring	(368)	(315)
UNITED STATES \| Operating Segments [Member] \| United States Building Services
Restructuring Cost and Reserve [Line Items]
Restructuring reserve	0	0	0
Restructuring expenses	0	168
Payments for restructuring	0	(168)
UNITED STATES \| Operating Segments [Member] \| Employee Severance [Member] \| United States Electrical Construction And Facilities Services
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	257
UNITED STATES \| Operating Segments [Member] \| Employee Severance [Member] \| United States Mechanical Construction And Facilities Services
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	311
UNITED STATES \| Operating Segments [Member] \| Employee Severance [Member] \| United States Building Services
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	0
UNITED STATES \| Operating Segments [Member] \| Facility Closing [Member] \| United States Electrical Construction And Facilities Services
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	381
UNITED STATES \| Operating Segments [Member] \| Facility Closing [Member] \| United States Mechanical Construction And Facilities Services
Restructuring Cost and Reserve [Line Items]
Reversal of restructuring expenses	(81)
UNITED STATES \| Operating Segments [Member] \| Facility Closing [Member] \| United States Building Services
Restructuring Cost and Reserve [Line Items]
Restructuring expenses	$ 0