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Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2020
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Changes in Carrying Amount of Product Warranty Liability
Changes in the product warranty liability for the nine months ended September 30, 2020 and 2019 are as follows:
20202019
 (in millions)
Balance at beginning of year$10.1 $9.4 
Net charges to expense1.4 6.2 
Settlements made(3.5)(3.8)
Balance at end of period$8.0 $11.8