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Share Based Compensation (Tables) | 9 Months Ended
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Sep. 29, 2018
Share-based Compensation [Abstract] |
Stock Options | The following table summarizes information concerning stock option grants during the first nine months of fiscal 2018 and 2017:
| Fiscal nine months ended
| September 29, 2018 |  | September 30, 2017
Stock options granted | 691,086 |  |  | 1,619,280 |
Weighted average exercise price | $ | 67.72 |  |  | $ | 72.16 |
Weighted average grant date fair value per option | $ | 14.99 |  |  | $ | 14.57 |
Restricted Stock Units | The following table summarizes information concerning restricted stock unit and performance-based restricted share unit grants during the first nine months of fiscal 2018 and 2017:
| Fiscal nine months ended
| September 29, 2018 |  | September 30, 2017
Restricted stock units granted | 306,338 |  |  | 85,049 |
Performance-based restricted share units granted | 41,310 |  |  | — |
Weighted average grant date fair value per share | $ | 63.73 |  |  | $ | 66.34 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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