Earnings Per Share (Schedule of Reconciliation of Number of Shares Utilized in Earnings Per Share Calculations) (Details) - shares shares in Thousands |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2019 |
Jul. 01, 2018 |
Jun. 30, 2019 |
Jul. 01, 2018 |
|
Earnings Per Share [Abstract] | ||||
Number of common shares-basic | 110,845 | 110,477 | 110,694 | 110,386 |
Effect of dilutive securities, Stock options | 559 | 786 | 595 | 824 |
Effect of dilutive securities, Restricted stock | 124 | 189 | 122 | 181 |
Number of common shares-diluted | 111,528 | 111,452 | 111,411 | 111,391 |
Number of potentially dilutive securities excluded from calculation due to antidilutive impact | 291 | 346 | 388 | 339 |