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Accrued Expenses and Other Current Liabilities - Product Warranty Liability (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]        
Product warranty liability at beginning of period $ 8.3 $ 6.3 $ 8.5 $ 6.4
Warranty expense 2.7 3.1 5.2 5.3
Warranty claims settled (2.9) (2.8) (5.6) (5.1)
Product warranty liability at the end of period $ 8.1 $ 6.6 $ 8.1 $ 6.6