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STOCK-BASED COMPENSATION (Tables) | 9 Months Ended
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Sep. 23, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of restricted and unrestricted stock and performance share units activity | Restricted and unrestricted stock awards and performance share units activity for the thirty-nine weeks ended September 23, 2016, was as follows (shares in thousands):
| Shares |  | Weighted- average grant-date price
Non-vested at beginning of period | 1,218 |  |  | $ | 22.63 |
Granted | 577 |  |  | $ | 21.58 |
Vested | (473 | ) |  | $ | 20.75 |
Forfeited | (87 | ) |  | $ | 21.42 |
Non-vested at the end of the period | 1,235 |  |  | $ | 22.84 |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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