Estimated fair value per share

No definition available.

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- Definition

Number of Nonvested Target Units, Vested or expected to vest at December 31, 2015

+ References

No definition available.

+ Details

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Contractual Life

+ References

No definition available.

+ Details

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- Definition

Stock Options, Number of stock incentive plans

+ References

No definition available.

+ Details

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, 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 (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ 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

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Weighted average grant-date fair value of options vested.

+ References

No definition available.

+ Details

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Stock-Based Compensation Plans (Narrative) (Details)	1 Months Ended	12 Months Ended
Stock-Based Compensation Plans (Narrative) (Details)	May. 31, 2015 shares	Dec. 31, 2016 $ / shares	Dec. 31, 2015 item shares	Mar. 31, 2016 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock incentive plans \| item			3
Number of shares authorized			6,800,000
PSU [Member] \| Scenario, Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested share units that will be converted				46,610
Weighted average grant date fair value \| $ / shares		$ 71.69
Estimated fair value per share \| $ / shares		$ 139.51
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vesting period, years			3 years
Shares contractual life			5 years
Stock Options [Member] \| Prior to Year 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares contractual life			10 years
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vesting period, years			3 years
Restricted Stock [Member] \| Prior to Year 2015 [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vesting period, years			3 years
Restricted Stock [Member] \| Prior to Year 2015 [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vesting period, years			4 years
Outside Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted	4,437