Share based compensation arrangement by share based payment award options vested in period.

No definition available.

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- Definition

Share based compensation arrangement by share based payment award options vested in period weighted average exercise price.

+ References

No definition available.

+ Details

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ 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)(iv)(4)

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

+ Details

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- Definition

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.

+ 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)(iv)(3)

-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

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

+ Details

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- Definition

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

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ 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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: 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 3: 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=27012166&loc=d3e187085-122770

Reference 4: 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 5: 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 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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Share Based Compensation (Schedule Of Share-based Compensation, Stock Options, Activity) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Option, Outstanding as of December 31,	1,281,821	1,272,192	1,130,356	1,481,280
Stock Options, Granted, Number of Shares	529,912
Total Options, Vested, Number of Shares	0
Stock Options, Exercised, Number of Shares	(328,077)	(149,781)	(146,169)
Stock Options, Forfeited, Number of Shares	(800)	0	(1,920)
Stock Options, Expired, Number of Shares	(1,576)	(14,290)	(1,035)
Stock Options Weighted Average Exercise Price Outstanding	$ 68.96			$ 57.95
Stock Options, Granted, Weighted Average Exercise Price	$ 63.19
Total Options, Vested, Weighted Average Exercise Price	$ 0
Stock Options, Exercised, Weighted Average Exercise Price	$ 51.17
Stock Options, Forfeited in Period, Weighted Average Exercise Price	$ 72.84
Total Options, Expired, Weighted Average Exercise Price	$ 72.04
Nonvested Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Option, Outstanding as of December 31,	533,660			651,606
Stock Options, Granted, Number of Shares	354,254
Total Options, Vested, Number of Shares	(235,508)
Stock Options, Exercised, Number of Shares	0
Stock Options, Forfeited, Number of Shares	(800)
Stock Options, Expired, Number of Shares	0
Stock Options Weighted Average Exercise Price Outstanding	$ 27.72			$ 23.36
Stock Options, Granted, Weighted Average Exercise Price	$ 26.12
Total Options, Vested, Weighted Average Exercise Price	$ 21.61
Stock Options, Exercised, Weighted Average Exercise Price	$ 0
Stock Options, Forfeited in Period, Weighted Average Exercise Price	$ 23.22
Total Options, Expired, Weighted Average Exercise Price	$ 0
Vested Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Option, Outstanding as of December 31,	748,161			829,674
Stock Options, Granted, Number of Shares	175,658
Total Options, Vested, Number of Shares	(235,508)
Stock Options, Exercised, Number of Shares	(328,077)
Stock Options, Forfeited, Number of Shares	0
Stock Options, Expired, Number of Shares	(1,576)
Stock Options Weighted Average Exercise Price Outstanding	$ 63.36			$ 50.42
Stock Options, Granted, Weighted Average Exercise Price	$ 45.64
Total Options, Vested, Weighted Average Exercise Price	$ 56.62
Stock Options, Exercised, Weighted Average Exercise Price	$ 51.17
Stock Options, Forfeited in Period, Weighted Average Exercise Price	$ 0
Total Options, Expired, Weighted Average Exercise Price	$ 72.04
Era Group [Member] \| Nonvested Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options, Granted, Number of Shares	142,354
Era Group [Member] \| Vested Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options, Granted, Number of Shares	175,658