Share based compensation arrangement by share based payment award grant date.

No definition available.

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- Definition

Share based compensation arrangement by share based payment award other than options exercisable number.

+ References

No definition available.

+ Details

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- Definition

Share based compensation arrangement by share based payment award other than options exercisable weighted average exercise price.

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ 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 (h)(1)(i)

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

-URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

+ Details

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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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

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

+ Details

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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

+ Details

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- Definition

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

+ Details

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- Definition

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

+ References

+ Details

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

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

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

+ References

No definition available.

+ Details

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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)(iv)(2)

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

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

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Share-Based Compensation Plans (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Issuance of new grants
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			1 year 7 months 6 days
Share-Based Compensation Plans (Textual) [Abstract]
Allocated Share-based Compensation Expense	$ 3.4	$ 0.5	$ 0	$ 5.3
Total unrecognized compensation cost	$ 6.9		$ 6.9
Expected period to recognized, in years	1 year 9 months 18 days
Employee Stock Option [Member]
Issuance of new grants
Options exercisable	209,619		209,619
Weighted Average Exercise price	$ 34.18		$ 34.18
Number of Units			37,395
Weighted Average Exercise Price			$ 11.18
Performance Units [Member]
Issuance of new grants
Weighted average fair value	$ 54.26		$ 54.26
Restricted Units [Member]
Issuance of new grants
Weighted average fair value	$ 28.83		$ 28.83
SARs [Member]
Issuance of new grants
Weighted average fair value	$ 17.38		$ 17.38
SARs Exercisable	46,125		46,125
Weighted Average Exercise price	$ 13.72		$ 13.72
Number of Units			34,385
Weighted Average Exercise Price			$ 12.73
January 31, 2012 [Member]
Issuance of new grants
Grant Date			Jan. 31, 2012
January 31, 2012 [Member] \| Restricted Stock [Member]
Issuance of new grants
Restricted and Performance shares			165,169
Granted date fair value of Restricted and Performance shares			$ 27.66
January 31, 2012 [Member] \| Employee Stock Option [Member]
Issuance of new grants
Stock options			120,720
Grant date fair value of stock options			$ 17.67
January 31, 2012 [Member] \| Performance Shares [Member]
Issuance of new grants
Restricted and Performance shares			77,137
Granted date fair value of Restricted and Performance shares			$ 41.53
March 1, 2012 [Member]
Issuance of new grants
Grant Date			Mar. 01, 2012
March 1, 2012 [Member] \| Restricted Stock [Member]
Issuance of new grants
Restricted and Performance shares			4,844
Granted date fair value of Restricted and Performance shares			$ 28.72
March 1, 2012 [Member] \| Employee Stock Option [Member]
Issuance of new grants
Grant date fair value of stock options			$ 0.00
March 1, 2012 [Member] \| Performance Shares [Member]
Issuance of new grants
Restricted and Performance shares			0
Granted date fair value of Restricted and Performance shares			$ 0.00
April 2, 2012
Issuance of new grants
Grant Date			Apr. 02, 2012
April 2, 2012 \| Restricted Stock [Member]
Issuance of new grants
Restricted and Performance shares			2,009
Granted date fair value of Restricted and Performance shares			$ 24.32
May 1, 2012
Issuance of new grants
Grant Date			May 01, 2012
May 1, 2012 \| Restricted Stock [Member]
Issuance of new grants
Restricted and Performance shares			3,185
Granted date fair value of Restricted and Performance shares			$ 21.65
May 7, 2012
Issuance of new grants
Grant Date			May 07, 2012
May 7, 2012 \| Restricted Stock [Member]
Issuance of new grants
Restricted and Performance shares			7,511
Granted date fair value of Restricted and Performance shares			$ 19.01
May 7, 2012 \| Employee Stock Option [Member]
Issuance of new grants
Stock options			11,803
Grant date fair value of stock options			$ 12.10
May 7, 2012 \| Performance Shares [Member]
Issuance of new grants
Restricted and Performance shares			7,511
Granted date fair value of Restricted and Performance shares			$ 28.54
June 1, 2012
Issuance of new grants
Grant Date			Jun. 01, 2012
June 1, 2012 \| Restricted Stock [Member]
Issuance of new grants
Restricted and Performance shares			1,361
Granted date fair value of Restricted and Performance shares			$ 18.35
July 2, 2012 \| Restricted Stock [Member]
Issuance of new grants
Restricted and Performance shares			6,166
Granted date fair value of Restricted and Performance shares			$ 17.35
August 1, 2012 \| Restricted Stock [Member]
Issuance of new grants
Restricted and Performance shares			2,209
Granted date fair value of Restricted and Performance shares			$ 15.84
September 4, 2012 \| Restricted Stock [Member]
Issuance of new grants
Restricted and Performance shares			8,590
Granted date fair value of Restricted and Performance shares			$ 23.55