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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
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 |  |  | Nine Months Ended |
|  | September 30, 2017 |  |  | October 1, 2016 |  |  | September 30, 2017 |  |  | October 1, 2016 |
Weighted-average common shares outstanding |  |  | 57,200,880 |  |  |  | 58,013,852 |  |  |  | 57,643,948 |  |  |  | 58,076,627 |
Effect of dilutive securities |  |  | 1,054,360 |  |  |  | 1,251,062 |  |  |  | 1,220,575 |  |  |  | 1,292,765 |
Weighted-average common shares outstanding, assuming dilution |  |  | 58,255,240 |  |  |  | 59,264,914 |  |  |  | 58,864,523 |  |  |  | 59,369,392 |

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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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