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Other Current Liabilities
9 Months Ended
Sep. 30, 2017
Payables and Accruals [Abstract]  
Other Current Liabilities
Other Current Liabilities
Other current liabilities consisted of the following:

(in millions)
 
September 30, 
 2017
 
December 31,
2016
Accrued payroll
 
$
88.3

 
$
79.3

Accrued legal and regulatory
 
46.7

 
35.9

Accrued employee benefits
 
30.3

 
31.8

Income taxes payable
 
18.6

 
11.5

Deferred revenue
 
11.3

 
12.0

Contingent consideration
 
1.2

 
16.1

Accrued interest
 
1.0

 
1.3

Other
 
15.0

 
20.8

Total other current liabilities
 
$
212.4

 
$
208.7


Contingent consideration decreased $14.9 million from year end primarily due to payments made under various contingent consideration clauses of contracts we have entered into to acquire businesses. See Note 2, “Fair Value,” for additional information related to these contingent consideration obligations.