Restructuring and other (Tables)

6 Months Ended

Jun. 30, 2018

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Other Costs

The following table summarizes pre-tax restructuring and other costs for the periods presented:

	Three Months Ended June 30,					Six Months Ended June 30,
	2018			2017		2018		2017
Employee severance (1)	$	15.8		$	—	$	20.9	$	2.7
Acquisitions and related costs(2)	(0.2		)	0.8		7.6		4.2
Contingent consideration adjustment(3)	—			—		18.0		—
Legal and related	10.0			—		26.0		—
Restructuring, integration and other	7.9			0.3		13.2		3.4
Total	$	33.5		$	1.1	$	85.7	$	10.3
(1) Inclusive of employee severance and termination costs associated with restructuring and integration activities.
(2) Six months ended June 30, 2018 includes $7.7 million related to the NYX acquisition.
(3) Represents contingent consideration fair value adjustment (see Note 12).