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Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes — Income tax expense for the three months ended March 31, 2016, of $117.4 million was recorded, representing an effective tax rate of 32.7%. The prior-year three month provision for income taxes was $119.3 million, representing an effective tax rate of 34.1%.