Income Taxes (Tables)

6 Months Ended

Jun. 30, 2017

Income Taxes

Schedule of provision for income taxes and effective tax rate

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Provision for income taxes	$	(63.6)		$	(75.3)		$	(134.6)		$	(139.2)
Effective tax rate		20.1	%		26.5	%		21.9	%		27.5	%