Represents forfeiture rate, used as an input to measure fair value.

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 1

-Subparagraph (b)

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

Reference 2: 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=27013229&loc=d3e301413-122809

Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

+ Details

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ 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 (i)

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

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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

+ Details

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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- Definition

Ratio of an entity's stock price to its earnings per share. Price earnings (P/E) ratio is used as an input to measure fair value.

+ References

+ Details

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- Definition

Market valuation of entity divided by revenue, used as an input to measure fair value.

+ References

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EQUITY-BASED COMPENSATION (Details 2) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Significant assumptions used to develop the fair value estimates of equity-based awards
Compensation expenses	$ 48,539	$ 41,224	$ 24,371
Unrecognized compensation expense	$ 95,609
Weighted average remaining period for recognition of unrecognized compensation cost	1 year 9 months 18 days
Income approach \| Minimum
Significant assumptions used to develop the fair value estimates of equity-based awards
Discount rate (as a percent)	14.00%	18.00%	20.00%
Income approach \| Maximum
Significant assumptions used to develop the fair value estimates of equity-based awards
Discount rate (as a percent)	17.00%	20.00%	22.00%
Market approach \| Minimum
Significant assumptions used to develop the fair value estimates of equity-based awards
Forward income multiples	$ 13.0	$ 11.0	$ 9.0
Forward revenue multiples	1.5
Market approach \| Maximum
Significant assumptions used to develop the fair value estimates of equity-based awards
Forward income multiples	$ 20.0	$ 17.0	$ 17.5
Forward revenue multiples	3.25
Partners
Significant assumptions used to develop the fair value estimates of equity-based awards
Forfeiture rate (as a percent)	3.00%
Non-partner employees
Significant assumptions used to develop the fair value estimates of equity-based awards
Forfeiture rate (as a percent)	5.00%