Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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Amount of damages awarded to the plaintiff in the legal matter.

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Commitments and Contingencies - Additional Information (Detail) € in Millions, $ in Millions			1 Months Ended			6 Months Ended	9 Months Ended
	Feb. 13, 2019 USD ($)	Feb. 13, 2019 NOK (kr)	Dec. 31, 2019 USD ($)	Jan. 31, 2017 EUR (€)	Dec. 31, 2016 EUR (€)	Jun. 30, 2019 EUR (€)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)
Loss Contingencies [Line Items]
Loss contingency, damages awarded, value	$ 2.3	kr 19,500,000
Certain claims			$ 50.0					$ 23.5
Deferred Prosecution Agreement [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
DPA extended term							1 year
Durom Cup Related Claims [Member]
Loss Contingencies [Line Items]
Estimated liability outstanding including legal fees							$ 52.9
Metal Reaction-related claims [Member]
Loss Contingencies [Line Items]
Estimated liability outstanding including legal fees							58.2
Biomet Metal On Metal Hip Implant Claims [Member]
Loss Contingencies [Line Items]
Estimated liability classified as short-term							$ 58.6
Heraeus Trade Secret Misappropriation Lawsuits [Member] \| Germany [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages incurred \| €				€ 125.9	€ 121.9	€ 146.7