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Contingencies - Summary of Insurance Receivable Balances and Activity Related to Cumulative Trauma Product Liability Losses (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Movement in Loss Contingency Receivable, Increase (Decrease) [Roll Forward]    
Balance beginning of period $ 71.7 $ 134.7
Additions 1.0 19.6
Collections, settlements converted to notes receivable and other adjustments (14.8) (82.6)
Balance end of period $ 57.9 $ 71.7