Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table categorizes by level in the fair value hierarchy the estimated fair value of our assets and liabilities measured at fair value on a recurring basis.

	March 31, 2016			December 31, 2015
(in millions)	Level 2		Level 3	Level 2	Level 3
Assets
Foreign currency forward contracts receivable	$	18.5	—	9.5	—
Deferred compensation plan assets	141.5		—	134.3	—
Total assets at fair value	$	160.0	—	143.8	—
Liabilities
Foreign currency forward contracts payable	$	3.9	—	21.2	—
Deferred compensation plan liabilities	138.5		—	129.4	—
Earn-out liabilities	—		158.8	—	127.3
Total liabilities at fair value	$	142.4	158.8	150.6	127.3