Operations by Business Segment (Tables)

9 Months Ended

Sep. 26, 2020

Segment Reporting [Abstract]

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

Segment information reconciled to the condensed consolidated financial statements follows:

	Utility		Residential and Commercial		All Other		Reconciling Adjustments			Consolidated
Three Months Ended September 26, 2020
Revenues	$	185,500	$	151,435	$	518	$	—		$	337,453
Income (loss) from operations	20,301		20,273		(2,758)		(2,316)		(a)	35,500
Interest expense							(1,579)			(1,579)
Interest income							1,688			1,688
Other income (expense), net							(1,499)			(1,499)
Income before income taxes										$	34,110
Segment assets, total	$	296,519	$	227,977	$	—	$	147,188	(b)	$	671,684
Three Months Ended September 28, 2019
Revenues	$	160,088	$	146,769	$	616	$	—		$	307,473
Income (loss) from operations	10,941		17,667		(3,456)		(2,369)		(a)	22,783
Interest expense							(2,018)			(2,018)
Interest income							94			94
Other income (expense), net							(1,886)			(1,886)
Income before income taxes										$	18,973
Segment assets, total	$	247,031	$	238,692	$	—	$	115,475	(b)	$	601,198
Nine Months Ended September 26, 2020
Revenues	$	547,984	$	396,293	$	703	$	—		$	944,980
Income (loss) from operations	56,817		42,242		(11,005)		(4,309)		(a)	83,745
Interest expense							(5,477)			(5,477)
Interest income							1,885			1,885
Other income (expense), net							(4,550)			(4,550)
Income before income taxes										$	75,603
Segment assets, total	$	296,519	$	227,977	$	—	$	147,188	(b)	$	671,684
Nine Months Ended September 28, 2019
Revenues	$	451,749	$	404,134	$	913	$	—		$	856,796
Income (loss) from operations	26,816		44,772		(11,825)		(3,732)		(a)	56,031
Interest expense							(6,597)			(6,597)
Interest income							270			270
Other income (expense), net							(6,694)			(6,694)
Income before income taxes										$	43,010
Segment assets, total	$	247,031	$	238,692	$	—	$	115,475	(b)	$	601,198

Reconciling adjustments from segment reporting to the condensed consolidated financial statements 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.