XML 27 R104.htm IDEA: XBRL DOCUMENT v2.4.0.8

Cash and stock-based compensation plans (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Restricted Stock Units (Rsus) [Member]	Dec. 31, 2012 Restricted Stock Units (Rsus) [Member]	Dec. 31, 2011 Restricted Stock Units (Rsus) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding Shares (beginning balance)	0	534	1,812	17,746	268,392	226,410	222,710
Granted Shares					114,070	181,598	94,496
Forfeited Shares					(15,223)	(54,367)	(20,931)
Vested Shares					(124,490)	(85,249)	(69,865)
Outstanding Shares (ending balance)	0	534	1,812	17,746	242,749	268,392	226,410
Expected to vest Shares					242,749
Outstanding Weighted average grant date fair value					$ 15.93	$ 12.80	$ 10.96
Granted - Weighted average grant date fair value					$ 18.76	$ 17.52	$ 15.84
Forfeited - Weighted average grant date fair value					$ 16.81	$ 13.88	$ 12.63
Vested - Weighted average grant date fair value					$ 16.08	$ 12.31	$ 11.09
Outstanding Weighted average grant date fair value					$ 17.13	$ 15.93	$ 12.80
Expected to vest Weighted average grant date fair value					$ 17.13
Outstanding Weighted average remaining contractual term					2 years 3 months 18 days
Vested Aggregate intrinsic value					$ 1,067
Expected to vest Aggregate intrinsic value					2,643
Aggregate intrinsic value expected to vest					$ 2,643

X

- Definition

As of the balance sheet date, the number of shares into which fully expected to vest restricted stock options outstanding can be converted under the option plan.

+ References

No definition available.

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- Definition

As of the balance sheet date, weighted average grant date fair value into which fully expected to vest restricted stock options outstanding can be converted under the option plan.

+ References

No definition available.

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- Definition

Share based compensation expected to vest grants in period aggregate intrinsic value during the period.

+ References

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ 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

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(3)

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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).

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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

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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-Publisher FASB

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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.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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-Publisher FASB

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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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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