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Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2018

Equity [Abstract]

Schedule of compliance with regulatory capital requirements

To be categorized as well capitalized, the Bank must maintain minimum Common Equity Tier 1, Tier 1 risk-based, Total risk-based and Tier 1 leverage ratios as set forth in the following table. The Bank's actual capital amounts and ratios as of these dates are also presented. There are no conditions or events since that management believes have changed the Bank's categorization.

	Actual						Capital Adequacy Guidelines		Categorized as Well Capitalized Under Prompt Corrective Action Provisions
	Capital			Ratio			Ratio		Ratio
September 30, 2018	(In thousands)
Common Equity Tier 1 risk-based capital ratio:
The Company	$	1,678,475		14.71	%		4.50	%	NA
The Bank	1,661,628			14.55			4.50		6.50	%
Tier 1 risk-based capital ratio:
The Company	1,678,475			14.71			6.00		NA
The Bank	1,661,628			14.55			6.00		8.00
Total risk-based capital ratio:
The Company	1,814,981			15.91			8.00		NA
The Bank	1,798,135			15.75			8.00		10.00
Tier 1 leverage ratio:
The Company	1,678,475			10.85			4.00		NA
The Bank	1,661,628			10.74			4.00		5.00
September 30, 2017
Common Equity Tier 1 risk-based capital ratio:
The Company	$	1,701,327		15.99	%	(1)	4.50	%	NA
The Bank	1,668,314			15.68		(1)	4.50		6.50	%
Tier 1 risk-based capital ratio:
The Company	1,701,327			15.99		(1)	6.00		NA
The Bank	1,668,314			15.68		(1)	6.00		8.00
Total risk-based capital ratio:
The Company	1,828,935			17.22		(1)	8.00		NA
The Bank	1,795,929			16.91		(1)	8.00		10.00
Tier 1 leverage ratio:
The Company	1,701,327			11.49			4.00		NA
The Bank	1,668,314			11.27			4.00		5.00

(1) Ratio has been updated from previously reported % to correct immaterial error in the calculation of risk-weighted assets, which is the denominator used in calculating the ratio.

Schedule of earnings per share calculation

The following table sets forth information regarding earnings per share calculations.

Year ended September 30,	2018				2017				2016
Weighted average shares outstanding	85,008,040				88,905,457				91,399,038
Weighted average dilutive warrants	63,079				242,979				440,366
Weighted average dilutive options	38,724				75,771				73,514
Weighted average diluted shares	85,109,843				89,224,207				91,912,918
Net income (In thousands)	$	203,850			$	173,532			$	164,049
Basic EPS	$	2.40			$	1.95			$	1.79
Diluted EPS	2.40				1.94				1.78

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- Definition

Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

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