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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Extended term of agreement.

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Litigation settlement outstanding.

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Commitments and Contingencies - Additional Information (Detail) € in Millions, $ in Millions			1 Months Ended			3 Months Ended	6 Months Ended			150 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, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2019 EUR (€)	Jun. 30, 2020 USD ($)
Loss Contingencies [Line Items]
Certain claims			$ 50.0					$ 23.5
Loss contingency, damages awarded, value	$ 2.3	kr 19,500,000
Deferred Prosecution Agreement [Member]
Loss Contingencies [Line Items]
Estimated charges							$ 6.5
Civil settlement payments							6.5
Criminal penalty payments outstanding							$ 17.5
DPA term							3 years
Deferred Prosecution Agreement [Member] \| Maximum [Member]
Loss Contingencies [Line Items]
DPA extended term							1 year
Durom Cup Related Claims [Member]
Loss Contingencies [Line Items]
Certain claims						$ 7.0	$ 9.5			$ 443.0
Estimated liability outstanding including legal fees						55.4	55.4			55.4
Metal Reaction-related claims [Member]
Loss Contingencies [Line Items]
Estimated liability outstanding including legal fees						66.8	66.8			66.8
Biomet Metal On Metal Hip Implant Claims [Member]
Loss Contingencies [Line Items]
Estimated liability classified as short-term						$ 69.5	$ 69.5			$ 69.5
Heraeus Trade Secret Misappropriation Lawsuits [Member] \| Germany [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages incurred \| €				€ 125.9	€ 121.9				€ 146.7