Shareholders' Equity (Summary Of Share-Based Awards) (Details) (Share-Based Awards, USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
Apr. 04, 2015
Share-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding (in shares)	1,410,889
Exercisable (in shares)	804,486
Outstanding, weighted average exercise price (in dollars per share)	$ 60.39
Exercisable, weighted average exercise price (in dollars per share)	$ 54.51
Outstanding, weighted average remaining contractual term (in years)	5 years 9 months 18 days
Exercisable, weighted average remaining contractual term (in years)	4 years 4 months 24 days
Outstanding, aggregate intrinsic value	$ 25.7
Exercisable, aggregate intrinsic value	$ 19.4

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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 remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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