Aggregate dividends paid during the period for each share of common stock outstanding.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Dividends and Share Repurchases (Details) - $ / shares			3 Months Ended
Dividends and Share Repurchases (Details) - $ / shares	Jan. 22, 2020	Nov. 22, 2019	Dec. 31, 2019	Dec. 31, 2018
Dividends Payable [Line Items]
Cash dividends per share (in dollars per share)		$ 0.21	$ 0.21	$ 0.18
Stock repurchased (in shares)			914,161
Average cost per share (in dollars per share)			$ 36.62
Remaining shares authorized to be repurchased (in shares)			7,052,600
Subsequent Event
Dividends Payable [Line Items]
Dividends declared (in dollars per share)	$ 0.22