Commitments and Contingencies Restructuring and Related Activities (Tables)

3 Months Ended

Mar. 31, 2014

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

The changes in restructuring activity by reportable segments during the three months ended March 31, 2014 and March 31, 2013 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 Kingdom construction and building services segment			Corporate administration		Total
Balance at December 31, 2012	$	53		$	—		$	—		$	—		$	—	$	53
Charges	—			—			38			1,325			—		1,363
Payments	—			—			(38		)	—			—		(38		)
Non-cash items	(6		)	—			—			—			—		(6		)
Balance at March 31, 2013	$	47		$	—		$	—		$	1,325		$	—	$	1,372
Balance at December 31, 2013	$	30		$	164		$	—		$	4,685		$	—	$	4,879
Charges	—			(76		)	—			685			300		909
Payments	—			—			—			(1,401		)	—		(1,401		)
Non-cash items	(6		)	(88		)	—			(389		)	—		(483		)
Balance at March 31, 2014	$	24		$	—		$	—		$	3,580		$	300	$	3,904

Restructuring and Related Costs [Table Text Block]

A summary of restructuring expenses by reportable segments recognized for the three months ended March 31, 2014 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		United Kingdom construction and building services segment		Corporate administration		Total
Severance	$	—	$	—		$	—	$	685	$	—	$	685
Leased facilities	—		(76		)	—		—		300		224
Total charges	$	—	$	(76	)	$	—	$	685	$	300	$	909