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Other Liabilities (Tables)
12 Months Ended
Dec. 31, 2016
Other Liabilities, Noncurrent [Abstract]  
Schedule of Other Non Current Liabilities
Other liabilities consisted of the following:
(in millions)
December 31,
2016
 
December 31,
2015
Retirement benefits
$
10.9

 
$
11.2

Interest rate caps
6.1

 

Unrecognized tax benefits
4.8

 
0.3

Contingent consideration
1.5

 
5.1

Other
7.4

 
11.2

Total other liabilities
$
30.7

 
$
27.8

See note 10, “Debt,” for additional information about the interest rate caps.