Commitments and Contingencies - Additional Information (Detail) € in Millions				1 Months Ended				3 Months Ended			135 Months Ended
	Feb. 13, 2019 USD ($)	Feb. 13, 2019 NOK (kr)	Feb. 05, 2013 USD ($)	Mar. 31, 2019 USD ($) Patent	Jan. 31, 2017 EUR (€)	Dec. 31, 2016 EUR (€)	Jul. 31, 2015 USD ($)	Mar. 31, 2019 USD ($) Patent	Mar. 31, 2018 USD ($)	Dec. 31, 2014 USD ($)	Mar. 31, 2019 USD ($) Patent	Dec. 31, 2018 USD ($)
Loss Contingencies [Line Items]
Loss contingency, damages awarded, value	$ 2,300,000	kr 19,500,000
Deferred Prosecution Agreement [Member]
Loss Contingencies [Line Items]
Estimated charges								$ 6,500,000
Civil settlement payments								6,500,000
Criminal penalty payments outstanding								$ 17,500,000
DPA term								3 years
Deferred Prosecution Agreement [Member] | Maximum [Member]
Loss Contingencies [Line Items]
DPA extended term								1 year
SG&A Expense [Member]
Loss Contingencies [Line Items]
Certain claims								$ 2,500,000
Durom Cup Related Claims [Member]
Loss Contingencies [Line Items]
Certain claims									$ 0		$ 450,000,000
Estimated liability outstanding				$ 84,400,000				84,400,000			84,400,000
Estimated liability classified as short-term				19,500,000				19,500,000			19,500,000
Estimated liability classified as long-term				64,900,000				64,900,000			64,900,000
Biomet Metal On Metal Hip Implant Claims [Member]
Loss Contingencies [Line Items]
Estimated liability classified as short-term				$ 62,100,000				$ 62,100,000			$ 62,100,000
Heraeus Trade Secret Misappropriation Lawsuits [Member] | Germany [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages incurred | €					€ 125.9	€ 121.9
Stryker Corporation [Member]
Loss Contingencies [Line Items]
Number of patents infringed | Patent				3				3			3
Monetary damages for lost profits			$ 70,000,000
Estimated charges				$ 168,000,000			$ 90,300,000			$ 70,000,000
Estimated loss												$ 168,000,000