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General - Shareholders' Equity Parenthetical (Details) - $ / shares	3 Months Ended
	Sep. 26, 2019	Jun. 27, 2019	Mar. 28, 2019	Sep. 27, 2018	Jun. 28, 2018	Mar. 29, 2018
Class B Common Stock [Member]
Common Stock, Dividends, Per Share, Cash Paid	$ 0.15	$ 0.15	$ 0.15	$ 0.14	$ 0.14	$ 0.14
Common Stock [Member]
Common Stock, Dividends, Per Share, Cash Paid	$ 0.16	$ 0.16	$ 0.16	$ 0.15	$ 0.15	$ 0.15

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- Definition

Aggregate dividends paid 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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- Details

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- Details

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