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Consolidated Statement of Stockholders' Equity (Parenthetical) - $ / shares													3 Months Ended								12 Months Ended
	Oct. 21, 2020	Jul. 22, 2020	Apr. 29, 2020	Jan. 22, 2020	Oct. 23, 2019	Jul. 24, 2019	Apr. 24, 2019	Jan. 23, 2019	Oct. 24, 2018	Jul. 24, 2018	Apr. 25, 2018	Jan. 24, 2018	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in usd per share)	$ 0.20	$ 0.20	$ 0.20	$ 0.20	$ 0.19	$ 0.19	$ 0.18	$ 0.18	$ 0.17	$ 0.15	$ 0.15	$ 0.15	$ 0.20	$ 0.20	$ 0.20	$ 0.20	$ 0.29	$ 0.19	$ 0.18	$ 0.18	$ 0.80	$ 0.84	$ 0.72

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- 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=120397183&loc=d3e187085-122770

+ Details

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration