INCOME TAXES (Details) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
INCOME TAXES [Abstract]
Income Tax Expense (Benefit)	$ 31,040,000	$ 14,962,000	$ 51,133,000	$ 22,655,000
Effective Income Tax Rate, Continuing Operations			39.07697%	50.14942%
Noncash convertible debt conversion charge	0	0	0	16,135,000
Unrecognized Tax Benefits	3,100,000		3,100,000		0
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	2,000,000		2,000,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 300,000		$ 300,000		$ 0

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

Consideration given by issuer of convertible debt to provide an incentive for debt holders to convert the debt to equity securities. The expense is equal to the fair value of all securities and other consideration transferred in the transaction in excess of the fair value of securities issuable pursuant to the original conversion terms.

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- Definition

This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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