Shareholders' Equity (Table)

9 Months Ended

Jun. 30, 2020

Equity [Abstract]

Reconciliation of Changes in Stockholders Equity

The following tables present a reconciliation of changes in stockholders' equity for the three and nine months ended June 30, 2020 and 2019.

	Common stock			Additional Paid-in Capital		Accumulated Other Comprehensive Income (Loss)			Retained Earnings			Total
	Number of Shares	Stated Value
	(In thousands, except share and per share data)
Balance, September 30, 2019	119,338,925	$	597	$	3,712,194	$	(114,583	)	$	2,152,015		$	5,750,223
Net income	—	—		—		—			178,673			178,673
Other comprehensive income	—	—		—		1,052			—			1,052
Cash dividends ($0.575 per share)	—	—		—		—			(69,557		)	(69,557		)
Common stock issued:
Public and other stock offerings	2,758,929	13		263,259		—			—			263,272
Stock-based compensation plans	164,549	1		4,111		—			—			4,112
Balance, December 31, 2019	122,262,403	611		3,979,564		(113,531		)	2,261,131			6,127,775
Net income	—	—		—		—			239,646			239,646
Other comprehensive income	—	—		—		890			—			890
Cash dividends ($0.575 per share)	—	—		—		—			(70,520		)	(70,520		)
Common stock issued:
Public and other stock offerings	38,662	1		3,095		—			—			3,096
Stock-based compensation plans	7,660	—		3,528		—			—			3,528
Balance, March 31, 2020	122,308,725	612		3,986,187		(112,641		)	2,430,257			6,304,415
Net income	—	—		—		—			117,791			117,791
Other comprehensive loss	—	—		—		(4,086		)	—			(4,086		)
Cash dividends ($0.575 per share)	—	—		—		—			(70,597		)	(70,597		)
Common stock issued:
Public and other stock offerings	965,576	5		105,799		—			—			105,804
Stock-based compensation plans	76,966	—		8,144		—			—			8,144
Balance, June 30, 2020	123,351,267	$	617	$	4,100,130	$	(116,727	)	$	2,477,451		$	6,461,471

	Common stock			Additional Paid-in Capital		Accumulated Other Comprehensive Income (Loss)			Retained Earnings			Total
	Number of Shares	Stated Value
	(In thousands, except share and per share data)
Balance, September 30, 2018	111,273,683	$	556	$	2,974,926	$	(83,647	)	$	1,878,116		$	4,769,951
Net income	—	—		—		—			157,646			157,646
Other comprehensive loss	—	—		—		(22,258		)	—			(22,258		)
Cash dividends ($0.525 per share)	—	—		—		—			(58,722		)	(58,722		)
Cumulative effect of accounting change	—	—		—		(8,210		)	8,210			—
Common stock issued:
Public and other stock offerings	5,434,812	27		498,948		—			—			498,975
Stock-based compensation plans	184,464	1		2,602		—			—			2,603
Balance, December 31, 2018	116,892,959	584		3,476,476		(114,115		)	1,985,250			5,348,195
Net income	—	—		—		—			214,888			214,888
Other comprehensive loss	—	—		—		(2,695		)	—			(2,695		)
Cash dividends ($0.525 per share)	—	—		—		—			(61,606		)	(61,606		)
Common stock issued:
Public and other stock offerings	61,006	1		5,453		—			—			5,454
Stock-based compensation plans	28,938	—		3,865		—			—			3,865
Balance, March 31, 2019	116,982,903	585		3,485,794		(116,810		)	2,138,532			5,508,101
Net income	—	—		—		—			80,466			80,466
Other comprehensive income	—	—		—		1,147			—			1,147
Cash dividends ($0.525 per share)	—	—		—		—			(61,654		)	(61,654		)
Common stock issued:
Public and other stock offerings	1,127,244	5		103,425		—			—			103,430
Stock-based compensation plans	85,966	1		10,505		—			—			10,506
Balance, June 30, 2019	118,196,113	$	591	$	3,599,724	$	(115,663	)	$	2,157,344		$	5,641,996

Summary of Forward Sales Agreements

Additional details are presented below.

Maturity	Shares Available	Net Proceeds Available (In thousands)		Forward Price
September 30, 2020	1,662,270	$	174,142	$	104.76
March 31, 2021	2,089,927	229,650		$	109.88
June 30, 2021	1,394,423	143,430		$	102.86
Total	5,146,620	$	547,222

Schedule of Accumulated Other Comprehensive Income (Loss)

The following tables provide the components of our accumulated other comprehensive income (loss) balances, net of the related tax effects allocated to each component of other comprehensive income (loss).

	Available- for-Sale Securities			Interest Rate Agreement Cash Flow Hedges			Total
	(In thousands)
September 30, 2019	$	132		$	(114,715	)	$	(114,583	)
Other comprehensive income (loss) before reclassifications	202			(4,932		)	(4,730		)
Amounts reclassified from accumulated other comprehensive income	(2		)	2,588			2,586
Net current-period other comprehensive income (loss)	200			(2,344		)	(2,144		)
June 30, 2020	$	332		$	(117,059	)	$	(116,727	)

	Available- for-Sale Securities			Interest Rate Agreement Cash Flow Hedges			Total
	(In thousands)
September 30, 2018	$	8,124		$	(91,771	)	$	(83,647	)
Other comprehensive income (loss) before reclassifications	192			(25,966		)	(25,774		)
Amounts reclassified from accumulated other comprehensive income	(1		)	1,969			1,968
Net current-period other comprehensive income (loss)	191			(23,997		)	(23,806		)
Cumulative effect of accounting change	(8,210		)	—			(8,210		)
June 30, 2019	$	105		$	(115,768	)	$	(115,663	)