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Dividends and Share Repurchases	6 Months Ended
	Mar. 31, 2019
Stockholders' Equity Note [Abstract]
Dividends and Share Repurchases	Dividends and Share Repurchases On February 22, 2019, the Company paid a regular dividend on common stock of $0.20 per share, which represented the 144th consecutive quarterly cash dividend. Dividends per share were $0.20 and $0.17 for the quarters ended March 31, 2019 and 2018, respectively. On April 29, 2019, the Company declared a regular dividend on common stock of $0.20 per share, which represents its 145th consecutive quarterly cash dividend. This dividend will be paid on May 24, 2019 to common shareholders of record on May 10, 2019. For the three months ended March 31, 2019, the Company repurchased 698,705 shares at an average price of $29.65. As of March 31, 2019, there are 9,593,701 remaining shares authorized to be repurchased under the current Board approved share repurchase program.

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- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI http://asc.fasb.org/topic&trid=2208762

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