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Earnings Per Share - Narrative (Details) - $ / shares	3 Months Ended
	Mar. 31, 2019	Apr. 01, 2018
Class A Common Stock
Dividends Payable [Line Items]
Dividends per share (in dollars per share)	$ 0.075	$ 0.075
Class B Common Stock
Dividends Payable [Line Items]
Dividends per share (in dollars per share)	$ 0.075	$ 0.075

X

- 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

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- Definition

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+ References

No definition available.

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