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Stockholders' Equity (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 29, 2017 | Sep. 29, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 30, 2016 | Sep. 30, 2016 | Jul. 01, 2016 | Apr. 01, 2016 | Dec. 29, 2017 | Dec. 30, 2016
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |
Dividends Per Share | $ 0.21 | $ 0.21 | $ 0.21 | $ 0.21 | $ 0.18 | $ 0.18 | $ 0.18 | $ 0.18 |  |
Amount | $ 5,416 | $ 5,424 | $ 5,424 | $ 5,374 | $ 4,607 | $ 4,659 | $ 4,675 | $ 4,628 | $ 21,638 | $ 18,569

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- Definition Aggregate dividends paid 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 + Details
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