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Restructuring Charges (Tables)
 9 Months Ended
Sep. 30, 2017
Restructuring and Related Activities [Abstract]  
Schedule of Activity and Reserve Balance for Restructuring Charges by Segment
Activity and reserve balances for restructuring charges by segment were as follows:
(in millions)
Americas
 
International
 
Corporate
 
Total
Reserve balances at December 31, 2015
$
1.6

 
$
5.4

 
$
1.1

 
$
8.1

Restructuring charges
1.8

 
5.3

 
0.2

 
7.3

Adjustments to estimates on restructuring reserves

(0.5
)
 
(0.6
)
 
(0.5
)
 
(1.6
)
Cash payments
(2.0
)
 
(7.3
)
 
(0.5
)
 
(9.8
)
Reserve balances at December 31, 2016
$
0.9

 
$
2.8

 
$
0.3

 
$
4.0

Restructuring charges
12.5

 
4.5

 
—

 
17.0

Adjustments to estimates on restructuring reserves

—

 
(0.1
)
 
—

 
(0.1
)
Cash payments/utilization
(12.9
)
 
(2.5
)
 
(0.3
)
 
(15.7
)
Reserve balances at September 30, 2017
$
0.5

 
$
4.7

 
$
—

 
$
5.2