Segment Information (Table)

3 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Income statements and capital expenditures for the three months ended December 31, 2019 and 2018 by segment are presented in the following tables:

	Three Months Ended December 31, 2019
	Distribution		Pipeline and Storage		Eliminations			Consolidated
	(In thousands)
Operating revenues from external parties	$	827,840	$	47,723	$	—		$	875,563
Intersegment revenues	664		100,453		(101,117		)	—
Total operating revenues	828,504		148,176		(101,117		)	875,563
Purchased gas cost	397,558		99		(100,789		)	296,868
Operation and maintenance expense	114,352		38,221		(328		)	152,245
Depreciation and amortization expense	76,074		28,988		—			105,062
Taxes, other than income	60,243		8,364		—			68,607
Operating income	180,277		72,504		—			252,781
Other non-operating income	1,954		2,933		—			4,887
Interest charges	16,362		10,867		—			27,229
Income before income taxes	165,869		64,570		—			230,439
Income tax expense	36,112		15,654		—			51,766
Net income	$	129,757	$	48,916	$	—		$	178,673
Capital expenditures	$	404,247	$	124,939	$	—		$	529,186

	Three Months Ended December 31, 2018
	Distribution			Pipeline and Storage			Eliminations			Consolidated
	(In thousands)
Operating revenues from external parties	$	838,181		$	39,601		$	—		$	877,782
Intersegment revenues	654			94,869			(95,523		)	—
Total operating revenues	838,835			134,470			(95,523		)	877,782
Purchased gas cost	437,732			(358		)	(95,209		)	342,165
Operation and maintenance expense	105,767			33,147			(314		)	138,600
Depreciation and amortization expense	69,709			26,356			—			96,065
Taxes, other than income	56,190			8,298			—			64,488
Operating income	169,437			67,027			—			236,464
Other non-operating expense	(6,477		)	(1,246		)	—			(7,723		)
Interest charges	18,210			9,639			—			27,849
Income before income taxes	144,750			56,142			—			200,892
Income tax expense	30,365			12,881			—			43,246
Net income	$	114,385		$	43,261		$	—		$	157,646
Capital expenditures	$	302,545		$	113,859		$	—		$	416,404

Balance sheet information at December 31, 2019 and September 30, 2019 by segment is presented in the following tables:

	December 31, 2019
	Distribution		Pipeline and Storage		Eliminations			Consolidated
	(In thousands)
Property, plant and equipment, net	$	9,083,765	$	3,166,658	$	—		$	12,250,423
Total assets	$	13,599,293	$	3,389,655	$	(2,600,823	)	$	14,388,125

	September 30, 2019
	Distribution		Pipeline and Storage		Eliminations			Consolidated
	(In thousands)
Property, plant and equipment, net	$	8,737,590	$	3,050,079	$	—		$	11,787,669
Total assets	$	12,579,741	$	3,279,323	$	(2,491,445	)	$	13,367,619