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INCOME TAXES
3 Months Ended
Mar. 31, 2014
Income Tax Disclosure [Abstract]  
INCOME TAXES
INCOME TAXES

The Company recorded income tax expense (benefit) of $(3.4) million and $12.2 million for the quarters ended March 31, 2014 and March 31, 2013, respectively. The Company's effective income tax rate was 40% and 39% for the three months ended March 31, 2014 and 2013, respectively.

The Company's 2014 income tax benefit and rate differs from the amount of income tax determined by applying the U.S. Federal income tax rate to pre-tax income primarily as a result of state income tax expense, unrecognized tax benefits, foreign earnings, and domestic production activities deduction.

The Company's 2013 income tax expense and rate differs from the amount of income tax determined by applying the U.S. Federal income tax rate to pre-tax income primarily as a result of state income tax expense, expense for unrecognized tax benefits, foreign earnings, domestic production activities deduction, and tax deductible expenses related to the convertible bond repurchase.