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Commitments and Contingencies (Tables)
 3 Months Ended
Mar. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Product Warranty Liability
The following table summarizes the changes in the Company’s warranty liabilities during the three months ended March 31, 2018 and 2017:
(in millions)
2018
 
2017
Balance at January 1
$
8.4

 
$
6.4

Provisions to expense
1.5

 
1.1

Payments
(1.5
)
 
(1.4
)
Balance at March 31
$
8.4

 
$
6.1