Operations by Business Segment (Tables)

6 Months Ended

Jul. 01, 2017

Segment Reporting [Abstract]

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

M. Operations by Business Segment (continued)

	Utility		Residential and Commercial		All Other			Reconciling Adjustments				Consolidated
Three Months Ended July 1, 2017
Revenues	$	112,903	$	131,299	$	835		$	—			$	245,037
Income (loss) from operations	4,270		23,837		(1,312		)	(1,483		)	(a)	25,312
Interest expense								(1,072		)		(1,072		)
Interest income								73				73
Other income (expense), net								(992		)		(992		)
Income before income taxes												$	23,321
Segment assets, total	$	171,472	$	202,502	$	—		$	86,198		(b)	$	460,172
Three Months Ended July 2, 2016
Revenues	$	105,285	$	118,945	$	533		$	—			$	224,763
Income (loss) from operations	5,587		21,226		(980		)	(1,547		)	(a)	24,286
Interest expense								(1,062		)		(1,062		)
Interest income								60				60
Other income (expense), net								(1,156		)		(1,156		)
Income before income taxes												$	22,128
Segment assets, total	$	159,824	$	181,945	$	—		$	84,375		(b)	$	426,144
Six Months Ended July 1, 2017
Revenues	$	225,381	$	210,886	$	1,583		$	—			$	437,850
Income (loss) from operations	6,928		20,255		(3,887		)	(2,326		)	(a)	20,970
Interest expense								(2,329		)		(2,329		)
Interest income								143				143
Other income (expense), net								(1,784		)		(1,784		)
Income before income taxes												$	17,000
Segment assets, total	$	171,472	$	202,502	$	—		$	86,198		(b)	$	460,172
Six Months Ended July 2, 2016
Revenues	$	205,313	$	199,279	$	1,004		$	—			$	405,596
Income (loss) from operations	7,061		19,790		(4,086		)	(3,599		)	(a)	19,166
Interest expense								(2,027		)		(2,027		)
Interest income								128				128
Other income (expense), net								(1,755		)		(1,755		)
Income before income taxes												$	15,512
Segment assets, total	$	159,824	$	181,945	$	—		$	84,375		(b)	$	426,144

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.