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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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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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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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		9 Months Ended
Dividends and Share Repurchases (Details) - $ / shares	Jul. 28, 2020	May 22, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Subsequent Event [Line Items]
Cash dividends per share (in dollars per share)		$ 0.22	$ 0.22	$ 0.20	$ 0.65	$ 0.58
Stock repurchased (in shares)			1,594
Average cost per share (in dollars per share)			$ 24.90
Remaining shares authorized to be repurchased (in shares)			4,627,393		4,627,393
Subsequent Event
Subsequent Event [Line Items]
Dividends declared (in dollars per share)	$ 0.22