Income Taxes (Tables)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Income Tax (Benefit) Expense

Income tax (benefit) expense was as follows (in thousands):

		Three Months Ended June 30,						Six Months Ended June 30,
		2015			2014			2015			2014
Income tax (benefit) expense	$	(61,975	)	$	117,976		$	(39,609	)	$	136,933
Effective tax rate		34.3	%		40.8	%		30.3	%		40.2	%