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Subsequent Events (Details) - USD ($)		3 Months Ended			4 Months Ended	12 Months Ended
	Nov. 15, 2019	Sep. 29, 2019	Jul. 07, 2019	Apr. 14, 2019	Jan. 20, 2019	Sep. 29, 2019	Sep. 30, 2018	Oct. 01, 2017
Subsequent Event [Line Items]
Cash dividends declared per common share (in usd per share)		$ 0.40	$ 0.40	$ 0.40	$ 0.40	$ 1.60	$ 1.60	$ 1.60
Subsequent Event
Subsequent Event [Line Items]
Cash dividends declared per common share (in usd per share)	$ 0.40
Stock buy-back program, authorized amount	$ 100,000,000.0

X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

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X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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X

- Definition

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.

+ References

No definition available.

+ Details

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X

- Details

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