Income Taxes (Tables)

6 Months Ended

Jun. 30, 2019

Schedule of provision for income taxes and effective tax rate

	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
Provision for income taxes	$	(78.7)		$	(94.5)		$	(158.3)		$	(180.9)
Effective tax rate		21.3	%		24.7	%		22.0	%		24.5	%