COMMON STOCK EQUITY (Tables)

3 Months Ended

Dec. 31, 2018

Changes in common stock equity during the three months ended December 31, 2018, were as follows:



(Thousands)	Number of Shares		Common Stock		Premium on Common Stock			Accumulated Other Comprehensive (Loss) Income				Treasury Stock And Other			Retained Earnings			Total
Balance at September 30, 2018	88,293		$	226,196	$	274,748			$	(12,610	)	$	(76,473	)	$	1,007,117		$	1,418,978
Net income															86,248			86,248
Other comprehensive income									234									234
Common stock issued:
Incentive compensation plan	137		343		1,791													2,134
Dividend reinvestment plan ⁽¹⁾	82				454							3,238						3,692
Waiver discount	168		—		1,293							6,671						7,964
Cash dividend declared ($.2925 per share)															(25,938		)	(25,938		)
Treasury stock and other	—				—							1,504						1,504
Adoption of ASU 2016-01 ⁽²⁾									(3,446		)				3,446			—
Adoption of ASU 2017-05 ⁽²⁾															4,970			4,970
Adoption of ASU 2014-09/ASC 606 ⁽²⁾															(2,736		)	(2,736		)
Balance at December 31, 2018	88,680		$	226,539	$	278,286			$	(15,822	)	$	(65,060	)	$	1,073,107		$	1,497,050
Balance at September 30, 2017	86,556		$	222,258	$	219,696			$	(3,256	)	$	(70,039	)	$	867,984		$	1,236,643
Net income															123,699			123,699
Other comprehensive income									(5,204		)							(5,204		)
Common stock issued:
Incentive plan	525		1,453		13,951													15,404
Dividend reinvestment plan ⁽¹⁾	90				245							3,554						3,799
Waiver discount	554		1,384		21,306													22,690
Cash dividend declared ($.2725 per share)															(23,831		)	(23,831		)
Treasury stock and other	(250	)			(56		)					(25,374		)				(25,430		)
Balance at December 31, 2017	87,475		$	225,095	$	255,142			$	(8,460	)	$	(91,859	)	$	967,852		$	1,347,770


(1)	Shares sold through the DRP are issued from treasury stock at average cost, which may differ from the actual market price paid.


(2)	See Note 2. Summary of Significant Accounting Policies - Recently Adopted Updates to the Accounting Standards Codification section for more details.

Schedule of Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss)

The following table presents the changes in the components of accumulated other comprehensive income (loss), net of related tax effects during the three months ended December 31, 2018 and 2017:



(Thousands)	Investments in Equity Securities				Postemployment Benefit Obligation				Total
Balance at September 30, 2018	$	3,446			$	(16,056	)		$	(12,610	)
Other comprehensive income, net of tax
Amounts reclassified from accumulated other comprehensive income, net of tax of $0, $(96), $(96)	—				234			⁽¹⁾	234
Net current-period other comprehensive income, net of tax of $0, $(96), $(96)	—				234				234
Reclassification to retained earnings	(3,446		)	₍₂₎	—				(3,446		)
Balance at December 31, 2018	$	—			$	(15,822	)		$	(15,822	)
Balance as of September 30, 2017	$	11,044			$	(14,300	)		$	(3,256	)
Other comprehensive income (loss), net of tax
Other comprehensive (loss), before reclassifications, net of tax of $851, $0, $851	(2,290		)		—				(2,290		)
Amounts reclassified from accumulated other comprehensive (loss) income, net of tax of $2,178, $(136), $2,042	(3,154		)		240			⁽¹⁾	(2,914		)
Net current-period other comprehensive (loss) income, net of tax of $3,029, $(136), $2,893	(5,444		)		240				(5,204		)
Balance as of December 31, 2017	$	5,600			$	(14,060	)		$	(8,460	)


(1)	Included in the computation of net periodic pension cost, a component of operations and maintenance expense on the Unaudited Condensed Consolidated Statements of Operations.


(2)	Due to the adoption of ASU No. 2016-01, an amendment to ASC 825, Financial Instruments. See Note 2. Summary of Significant Accounting Policies - Recently Adopted Updates to the Accounting Standards Codification section for more details.