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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 29, 2013
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Common Share | The shares used in the computation of the company’s basic and diluted earnings per common share are as follows:
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 29, 2013 |  |  | June 30, 2012 |  |  | June 29, 2013 |  |  | June 30, 2012 |
Weighted-average common shares outstanding |  |  | 58,221,317 |  |  |  | 58,155,790 |  |  |  | 58,249,941 |  |  |  | 58,163,958 |
Dilutive effect of stock-based instruments |  |  | 743,006 |  |  |  | 657,872 |  |  |  | 854,486 |  |  |  | 629,178 |
Weighted-average common shares outstanding, assuming dilution |  |  | 58,964,323 |  |  |  | 58,813,662 |  |  |  | 59,104,427 |  |  |  | 58,793,136

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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