Share-Based Associate Compensation Plans (Options Outstanding And Exercisable) (Details) - $ / shares shares in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Options Outstanding [Abstract]
Shares	3,872	4,958
Weighted-average remaining contractual life	4 years 6 months 17 days
Weighted-average exercise price	$ 39.78	$ 39.10
Options Exercisable [Abstract]
Shares	3,128
Weighted-average exercise price	$ 37.54
Range 1
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of per-share exercise prices, lower limit	25.00
Range of per-share exercise prices, upper limit	$ 29.99
Options Outstanding [Abstract]
Shares	582
Weighted-average remaining contractual life	3 years 7 months 1 day
Weighted-average exercise price	$ 26.58
Options Exercisable [Abstract]
Shares	582
Weighted-average exercise price	$ 26.58
Range 2
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of per-share exercise prices, lower limit	30.00
Range of per-share exercise prices, upper limit	$ 34.99
Options Outstanding [Abstract]
Shares	574
Weighted-average remaining contractual life	4 years 11 months 25 days
Weighted-average exercise price	$ 33.95
Options Exercisable [Abstract]
Shares	574
Weighted-average exercise price	$ 33.95
Range 3
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of per-share exercise prices, lower limit	35.00
Range of per-share exercise prices, upper limit	$ 39.99
Options Outstanding [Abstract]
Shares	841
Weighted-average remaining contractual life	3 years 10 months 25 days
Weighted-average exercise price	$ 37.29
Options Exercisable [Abstract]
Shares	841
Weighted-average exercise price	$ 37.29
Range 4
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of per-share exercise prices, lower limit	40.00
Range of per-share exercise prices, upper limit	$ 44.99
Options Outstanding [Abstract]
Shares	700
Weighted-average remaining contractual life	4 years 23 days
Weighted-average exercise price	$ 44.75
Options Exercisable [Abstract]
Shares	583
Weighted-average exercise price	$ 44.75
Range 5
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of per-share exercise prices, lower limit	45.00
Range of per-share exercise prices, upper limit	$ 49.99
Options Outstanding [Abstract]
Shares	798
Weighted-average remaining contractual life	3 years 10 months 20 days
Weighted-average exercise price	$ 46.00
Options Exercisable [Abstract]
Shares	546
Weighted-average exercise price	$ 45.62
Range6 [Member] [Domain]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range
Range of per-share exercise prices, lower limit	50.00
Range of per-share exercise prices, upper limit	$ 54.99
Options Outstanding [Abstract]
Shares	377
Weighted-average remaining contractual life	9 years 1 month 5 days
Weighted-average exercise price	$ 52.24
Options Exercisable [Abstract]
Shares	2
Weighted-average exercise price	$ 52.25

Options Exercisable [Abstract]

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- Definition

Options Outstanding [Abstract]

+ References

No definition available.

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- Definition

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

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

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
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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