Stock-Based Compensation (Outstanding Stock Option Activity) (Details) - $ / shares	12 Months Ended
Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Number of Shares
Outstanding, Beginning Balance (shares)	3,627,005	3,562,284	3,504,335
Granted (shares)	637,763	788,301	537,795
Exercised (shares)	(921,900)	(647,759)	(446,817)
Forfeited or Expired (shares)	(120,143)	(75,821)	(33,029)
Outstanding, Ending Balance (shares)	3,222,725	3,627,005	3,562,284
Weighted Average Exercise Price
Outstanding, Beginning Balance (in dollars per share)	$ 36.89	$ 34.63	$ 31.68
Granted (in dollars per share)	39.64	38.53	46.61
Exercised (in dollars per share)	30.29	26.28	25.55
Forfeited or Expired (in dollars per share)	39.29	38.36	40.81
Outstanding, Ending Balance (in dollars per share)	$ 39.24	$ 36.89	$ 34.63

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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