Segment Information (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Summarized financial information concerning our reportable segments is shown in the following table.

	Three months ended March 31,
	2016			2015
Revenue:
IAN	$	1,401.6		$	1,345.1
CMG	340.4			330.9
Total	$	1,742.0		$	1,676.0
Segment operating income (loss):
IAN	$	39.7		$	31.4
CMG	20.4			19.9
Corporate and other	(39.2		)	(43.5		)
Total	20.9			7.8
Interest expense	(22.6		)	(20.9		)
Interest income	5.8			7.2
Other (expense) income, net	(17.1		)	0.3
Loss before income taxes	$	(13.0	)	$	(5.6	)
Depreciation and amortization of property and equipment and intangible assets:
IAN	$	27.6		$	29.4
CMG	4.8			4.6
Corporate and other	5.6			4.7
Total	$	38.0		$	38.7
Capital expenditures:
IAN	$	20.3		$	12.1
CMG	1.5			1.1
Corporate and other	5.2			7.0
Total	$	27.0		$	20.2
	March 31, 2016			December 31, 2015
Total assets:
IAN	$	10,314.6		$	10,738.2
CMG	1,359.1			1,338.6
Corporate and other	(156.9		)	508.3
Total	$	11,516.8		$	12,585.1