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Shareholders' Equity: (Tables) | 3 Months Ended
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Mar. 29, 2014
Shareholders' Equity: |
Schedule of stock option activity under the 2001 Plan, 2010 Plan and Nonemployee Directors Plan |
|  | Number of Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Life (years) |  | Intrinsic Value |
Outstanding at December 28, 2013 |  | 526,712 |  | $ | 42.87 |  | 7.33 |  | $ | 26,446,700 |
Exercised |  | (15,125 | ) | 15.05 |  |  |  |  |
Outstanding at March 29, 2014 |  | 511,587 |  | $ | 43.69 |  | 7.14 |  | $ | 16,222,100 |
Exercisable at March 29, 2014 |  | 258,762 |  | $ | 30.50 |  | 5.92 |  | $ | 11,418,400 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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