Income Taxes (Tables)

3 Months Ended

Mar. 31, 2016

Income Tax Disclosure [Abstract]

Summary of Income Tax Expense and Effective Tax Rate

Income tax expense and the effective tax rate for the three months ended March 31, 2016 and 2015 were as follows (in thousands, except the effective tax rate):

	Three Months Ended March 31,
	2016			2015
Income tax expense	$	30,568		$	19,120
Effective tax rate		21.8	%		23.7	%