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Debt (Tables)
12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]  
Schedule of debt Our debt consisted of the following (in millions):
 
As of December 31,
 
2018
 
2017
Credit Facility
$
170.0

 
$
60.0

Term Loans
514.8

 
835.8

Capital leases
13.8

 
10.4

Other
2.3

 
4.0

Total debt
701.0

 
910.2

Current maturities of long-term debt and capital leases
41.1

 
25.6

Long-term debt
$
659.9

 
$
884.6

Schedule of aggregate annual maturities of debt As of December 31, 2018, the aggregate annual maturities of debt are as follows (in millions):
Year Ended December 31,
2019
$
41.1

2020
60.6

2021
424.3

2022
1.9

2023
171.4

Thereafter
1.7

 
$
701.0

Schedule of interest expense and other financing costs, net The following table provides additional information about our interest income, interest expense and other financing costs, net (in millions):
 
2018
 
2017
 
2016
Interest income
$
3.9

 
$
6.0

 
$
4.5

Interest expense and other financing costs
(74.8
)
 
(66.3
)
 
(43.7
)
 
$
(71.0
)
 
$
(60.3
)
 
$
(39.2
)