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Restructuring Expenses (Tables)
12 Months Ended
Dec. 31, 2018
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Reserve by Type of Cost
The components of the restructuring expenses are summarized as follows (in millions):
 
Write-down of Property, Plant
and Equipment
 
Employee Severance
 
Facility Closure Costs
 
Total
Balance as of December 31, 2015
$

 
$
16.9

 
$

 
$
16.9

2016 provision

 
11.0

 
1.0

 
12.0

2016 provision reversal

 
(0.1
)
 

 
(0.1
)
2016 cash activity

 
(13.1
)
 
(0.2
)
 
(13.3
)
Foreign currency translation

 
(0.2
)
 

 
(0.2
)
Balance as of December 31, 2016

 
14.5

 
0.8

 
15.3

2017 provision
0.2

 
12.4

 

 
12.6

    Less: Non-cash expense
(0.2
)
 

 

 
(0.2
)
              Cash expense

 
12.4

 

 
12.4

2017 provision reversal

 
(1.4
)
 

 
(1.4
)
2017 cash activity

 
(16.0
)
 
(0.8
)
 
(16.8
)
Foreign currency translation

 
1.4

 

 
1.4

Balance as of December 31, 2017

 
10.9

 

 
10.9

2018 provision
0.3

 
13.8

 

 
14.1

    Less: Non-cash expense
(0.3
)
 

 

 
(0.3
)
              Cash expense

 
13.8

 

 
13.8

2018 provision reversal

 
(2.1
)
 

 
(2.1
)
2018 cash activity

 
(14.4
)
 

 
(14.4
)
Foreign currency translation

 
(1.1
)
 

 
(1.1
)
Balance as of December 31, 2018
$

 
$
7.1

 
$

 
$
7.1