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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares | Jul. 14, 2018 | Dec. 30, 2017
--- | --- | ---
Statement Of Financial Position [Abstract] |  |
Common stock, par value |  |
Common stock, shares authorized | 100,000,000 | 100,000,000
Common stock, shares outstanding | 35,934,000 | 36,466,000
Preferred stock, par value |  |
Preferred stock, shares authorized | 10,000,000 | 10,000,000
Preferred stock, shares outstanding | 0 | 0

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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