Operations by Business Segment (Tables)

9 Months Ended

Sep. 29, 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 September 29, 2012
Revenues	$	80,874	$	81,438	$	16,335	$	—			$	178,647
Income (loss) from operations	2,343		10,925		1,633		(249		)	(a)	14,652
Interest expense							(661		)		(661		)
Interest income							65				65
Other income (expense), net							(638		)		(638		)
Income before income taxes											$	13,418
Segment assets, total	125,178		114,940		21,528		67,268			(b)	$	328,914
Three Months Ended October 1, 2011
Revenues	$	86,038	$	76,522	$	16,239	$	—			$	178,799
Income (loss) from operations	3,336		9,400		2,117		(1,511		)	(a)	13,342
Interest expense							(1,041		)		(1,041		)
Interest income							14				14
Other income (expense), net							(1,043		)		(1,043		)
Income before income taxes											$	11,272
Segment assets, total	$	128,214	$	107,285	$	17,744	$	61,940		(b)	$	315,183
Nine Months Ended September 29, 2012
Revenues	$	240,359	$	219,864	$	47,479	$	—			$	507,702
Income (loss) from operations	7,398		23,058		3,235		(1,261		)	(a)	32,430
Interest expense							(2,071		)		(2,071		)
Interest income							121				121
Other income (expense), net							(2,147		)		(2,147		)
Income before income taxes											$	28,333
Segment assets, total	$	125,178	$	114,940	$	21,528	$	67,268		(b)	$	328,914
Nine Months Ended October 1, 2011
Revenues	$	239,842	$	202,871	$	41,363	$	—			$	484,076
Income (loss) from operations	4,672		17,370		2,213		(2,566		)	(a)	21,689
Interest expense							(2,915		)		(2,915		)
Interest income							28				28
Other income (expense), net							(2,367		)		(2,367		)
Income before income taxes											$	16,435
Segment assets, total	$	128,214	$	107,285	$	17,744	$	61,940		(b)	$	315,183

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.