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Earnings Per Share - Narrative (Details) - $ / shares | 3 Months Ended | 12 Months Ended
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Dec. 29, 2019 | Sep. 29, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 30, 2018 | Sep. 30, 2018 | Jul. 01, 2018 | Apr. 01, 2018 | Dec. 29, 2019 | Dec. 30, 2018 | Dec. 31, 2017
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividends per share (in dollars per share) | $ 0.075 | $ 0.075 | $ 0.075 | $ 0.075 | $ 0.075 | $ 0.075 | $ 0.075 | $ 0.075 | $ 0.30 | $ 0.30 |
Class A common stock |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividends per share (in dollars per share) |  |  |  |  |  |  |  |  | 0.30 | 0.30 | $ 0.30
Class B common stock |  |  |  |  |  |  |  |  |  |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |  |  |  |  |  |  |  |
Dividends per share (in dollars per share) |  |  |  |  |  |  |  |  | $ 0.30 | $ 0.30 | $ 0.30

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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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