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Parent Company Condensed Balance Sheets (Parenthetical) (Detail) - $ / shares | Jan. 03, 2016 | Dec. 28, 2014
--- | --- | ---
Common stock, par value | $ 0.01 | $ 0.01
Common stock, shares authorized | 170,000,000 | 170,000,000
Common stock, shares issued | 49,838,221 | 55,553,149
Common stock, shares outstanding | 49,838,221 | 55,553,149
Preferred stock, par value | $ 0.01 | $ 0.01
Preferred stock, shares authorized | 5,000,000 | 5,000,000
Preferred stock, shares issued | 0 | 0
Parent Company [Member] |  |
Common stock, par value | $ 0.01 | $ 0.01
Common stock, shares authorized | 170,000,000 | 170,000,000
Common stock, shares issued | 49,838,221 | 55,553,149
Common stock, shares outstanding | 49,838,221 | 55,553,149
Preferred stock, par value | $ 0.01 | $ 0.01
Preferred stock, shares authorized | 5,000,000 | 5,000,000
Preferred stock, shares issued | 0 | 0

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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