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Borrowings and Lines of Credit (Tables)
 12 Months Ended
Dec. 31, 2015
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
Borrowings at December 31, 2015 consisted of the following (in millions):
 
December 31, 2015
 
December 31, 2014
Term loan due January 2019
$
285.0

 
$
300.0

$350.0 million revolving credit facility due January 2019
145.0

 
100.0

Total
430.0

 
400.0

Less: current maturities
30.0

 
15.0

Total long-term debt
$
400.0

 
$
385.0
Schedule of Interest Expense and Interest Income
Interest expense and interest income for the years ended December 31, 2015, 2014 and 2013 were as follows (in millions):
 
Years Ended December 31,
 
2015
 
2014
 
2013
Interest expense
$
12.8

 
$
6.7

 
$
46.0

Interest income
(0.1
)
 
(0.1
)
 
(4.0
)
Interest expense, net
$
12.7

 
$
6.6

 
$
42.0