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Subsequent Events Cash Dividends (Details) - $ / shares				3 Months Ended								12 Months Ended
	Dec. 28, 2018	Dec. 19, 2018	Dec. 06, 2018	Nov. 04, 2018	Aug. 05, 2018	May 06, 2018	Feb. 04, 2018	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Jan. 29, 2017	Nov. 04, 2018	Oct. 29, 2017
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared				$ 1.75	$ 1.75	$ 1.75	$ 1.75	$ 1.02	$ 1.02	$ 1.02	$ 1.02	$ 7.00	$ 4.08
Subsequent Event
Dividends Payable [Line Items]
Dividends payable, date declared			Dec. 06, 2018
Common Stock, Dividends, Per Share, Declared			$ 2.65
Dividends payable, date to be paid	Dec. 28, 2018
Dividends payable, date of record		Dec. 19, 2018

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
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-Topic 230
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