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Income Taxes
6 Months Ended
Jun. 30, 2020
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
Our income before income tax provision, income tax provision and effective tax rates were as follows:
 Three Months EndedSix Months Ended
(in thousands, except percentages)June 30,
2020
June 30,
2019
June 30,
2020
June 30,
2019
Income before income tax provision$112,585  $129,941  $145,909  $228,607  
Income tax provision16,021  20,191  3,281  32,627  
Effective tax rate14.2 %15.5 %2.2 %14.3 %

Tax expense for the first half of 2020 benefited due to increased stock compensation benefits, many of which were recognized discretely in the first quarter.