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Restructuring Charges (Tables)
 12 Months Ended
Dec. 31, 2019
Restructuring Charges [Abstract]  
Schedule of restructuring charges The following reflects our restructuring activity (in millions):
Balance at December 31, 2016
$
19.7

Additional charges
61.0

Payments
(59.6
)
Non-cash adjustments
0.3

Balance at December 31, 2017
21.4

Additional charges
21.0

Payments
(18.8
)
Non-cash adjustments
0.4

Balance at December 31, 2018
24.0

Additional charges
25.3

Payments
(29.4
)
Non-cash adjustments
(0.3
)
Balance at December 31, 2019
$
19.6