Commitments and Contingencies - Additional Information (Detail)		1 Months Ended		3 Months Ended		6 Months Ended
	Feb. 05, 2013 USD ($)	Jul. 31, 2015 USD ($)	Dec. 31, 2008 EUR (€)	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 30, 2016 USD ($) Patents	Jun. 30, 2015 USD ($)	Jun. 13, 2016 USD ($)	Jun. 06, 2016 USD ($)	Mar. 01, 2013 USD ($)	Jun. 10, 2011 USD ($)
Loss Contingencies [Line Items]
Certain claims				$ 7,700,000			$ 7,700,000
Compensatory damages awarded						$ 27,600,000
Percentage of fault apportioned to plaintiffs						30.00%
Percentage of fault apportioned to company						34.00%
Percentage of fault apportioned to unrelated third party						36.00%
Verdict in full and entered judgment											$ 20,300,000
Compensatory damages vacated									$ 27,600,000	$ 27,600,000
Durom Cup Related Claims [Member]
Loss Contingencies [Line Items]
Certain claims				$ 7,700,000		$ 479,400,000	$ 7,700,000
Co-payment requirement						20.00%
Estimated liability outstanding						$ 303,200,000
Estimated liability classified as short-term						50,000,000
Estimated liability classified as long-term						253,200,000
Durom Cup Related Claims [Member] | Other Assets [Member]
Loss Contingencies [Line Items]
Estimated insurance recoveries						95,300,000
Biomet Metal On Metal Hip Implant Claims [Member]
Loss Contingencies [Line Items]
Estimated liability classified as short-term						$ 69,000,000
Heraeus Trade Secret Misappropriation Lawsuits [Member] | Minimum [Member]
Loss Contingencies [Line Items]
Loss Contingency, Damages incurred | €			€ 30,000,000
Stryker Corporation [Member]
Loss Contingencies [Line Items]
Number of patents infringed | Patents						3
Monetary damages for lost profits	$ 70,000,000
Estimated charges		$ 90,300,000			$ 70,000,000
Stryker Corporation [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Estimated charges								$ 140,000,000