Reorganization Impacts - Discontinued Operations Solely Related to Southwest Gas Corporation (Tables)

3 Months Ended

Mar. 31, 2018

Restructuring and Related Activities [Abstract]

Summary of Discontinued Operations - Construction Services in Condensed Consolidated Balance Sheet and Condensed Consolidated Income Statements

The following table presents the major income statement components of discontinued operations – construction services reported in the Condensed Consolidated Income Statements of Southwest Gas Corporation:

Results of Construction Services

(Thousands of dollars)	Twelve Months Ended March 31, 2017
Construction revenues	$	932,930
Operating expenses:
Construction expenses		831,041
Depreciation and amortization		41,054
Operating income		60,835
Other income (deductions)		1,227
Net interest deductions		5,172
Income before income taxes		56,890
Income tax expense		21,030
Net income		35,860
Net income attributable to noncontrolling interests		1,105
Discontinued operations - construction services - net income	$	34,755