Common Stock And Earnings Per Share (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
1 Months Ended | 3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|---|
Nov. 02, 2018 |
Sep. 29, 2018 |
Sep. 30, 2017 |
Sep. 29, 2018 |
Sep. 30, 2017 |
Oct. 23, 2018 |
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| Common Stock And Earnings Per Share [Line Items] | ||||||
| Shares repurchased and retired | 178 | 865 | 217 | 865 | ||
| Repurchase of common stock | $ 22,647 | $ 50,000 | $ 25,590 | $ 50,000 | ||
| Remaining approved repurchase amount | $ 24,410 | $ 24,410 | ||||
| Subsequent Event [Member] | ||||||
| Common Stock And Earnings Per Share [Line Items] | ||||||
| Shares repurchased and retired | 235 | |||||
| Repurchase of common stock | $ 26,677 | |||||
| Average market price | $ 113.57 | |||||
| Stock Repurchase Program, Authorized Amount | $ 150,000 | |||||
| X | ||||||||||
- Definition The cash outflow to reacquire common stock during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of stock repurchase plan authorized. No definition available.
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- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
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- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Common Stock And Earnings Per Share [Line Items] No definition available.
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- Definition Stock Acquired Average Cost Per Share No definition available.
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- Details
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