Income Taxes (Tables)

9 Months Ended

Sep. 30, 2017

Income Taxes

Schedule of provision for income taxes and effective tax rate

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Provision for income taxes	$	(78.1)		$	(83.4)		$	(212.7)		$	(222.6)
Effective tax rate		21.8	%		26.9	%		21.8	%		27.2	%