Operations by Business Segment (Tables)

6 Months Ended

Jun. 30, 2012

Operations by Business Segment [Abstract]

Schedule of segment reporting information, by segment [Table Text Block]

Segment information reconciled to consolidated external reporting information follows:

	Utility Services		Residential Commercial Services		All Other		Reconciling Adjustments				Consolidated
Three Months Ended June 30, 2012
Revenues	$	78,989	$	87,294	$	16,128	$	—			$	182,411
Income (loss) from operations	1,928		14,867		1,754		(1,279		)	(a)	17,270
Interest expense							(707		)		(707		)
Interest income							29				29
Other income (expense), net							(874		)		(874		)
Income before income taxes											$	15,718
Segment assets, total	124,964		114,934		18,807		53,947			(b)	$	312,652
Three Months Ended July 2, 2011
Revenues	$	79,153	$	80,690	$	14,110	$	—			$	173,953
Income (loss) from operations	2,006		13,810		1,332		(581		)	(a)	16,567
Interest expense							(984		)		(984		)
Interest income							9				9
Other income (expense), net							(661		)		(661		)
Income before income taxes											$	14,931
Segment assets, total	$	126,441	$	112,383	$	17,722	$	52,561		(b)	$	309,107
Six Months Ended June 30, 2012
Revenues	$	159,485	$	138,426	$	31,144	$	—			$	329,055
Income (loss) from operations	5,055		12,133		1,602		(1,012		)	(a)	17,778
Interest expense							(1,410		)		(1,410		)
Interest income							56				56
Other income (expense), net							(1,509		)		(1,509		)
Income before income taxes											$	14,915
Segment assets, total	$	124,964	$	114,934	$	18,807	$	53,947		(b)	$	312,652
Six Months Ended July 2, 2011
Revenues	$	153,804	$	126,349	$	25,124	$	—			$	305,277
Income (loss) from operations	1,336		7,970		96		(1,055		)	(a)	8,347
Interest expense							(1,874		)		(1,874		)
Interest income							14				14
Other income (expense), net							(1,324		)		(1,324		)
Income before income taxes											$	5,163
Segment assets, total	$	126,441	$	112,383	$	17,722	$	52,561		(b)	$	309,107

Reconciling adjustments from segment reporting to consolidated external financial reporting include unallocated corporate items:

(a) Reclassification of depreciation expense and allocation of corporate expenses.

(b) Corporate assets include cash, prepaid expenses, corporate facilities, enterprise-wide information systems and other nonoperating assets.