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Capital Stock and Dividends (Details) - $ / shares								3 Months Ended		9 Months Ended
	Nov. 06, 2017	Aug. 07, 2017	May 08, 2017	Feb. 08, 2017	Aug. 01, 2016	May 02, 2016	Feb. 03, 2016	Sep. 30, 2017	Sep. 24, 2016	Sep. 30, 2017	Sep. 24, 2016
Dividends
Common Stock, Dividends, Per Share, Declared		$ 0.27	$ 0.27	$ 0.24	$ 0.24	$ 0.24	$ 0.20	$ 0.27	$ 0.24	$ 0.78	$ 0.68
Subsequent Event
Dividends
Common Stock, Dividends, Per Share, Declared	$ 0.27

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

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- 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.

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