Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Mar. 01, 2013	Jun. 10, 2011
Loss Contingencies [Line Items]
Self-insured retention amount	20.00%
Receivables in other assets	$ 218.0
Compensatory damages awarded	27.6
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			20.3
Compensatory damages vacated		27.6
Durom Cup Related Claims [Member]
Loss Contingencies [Line Items]
Estimated liability outstanding	379.0
Estimated liability classified as short-term	50.0
Estimated liability classified as long-term	329.0
Period for payment of majority of claims	5 years
Stryker Corporation [Member]
Loss Contingencies [Line Items]
Number of patents infringed	3
Monetary damages for lost profits	70.0
Estimated charges	$ 210.0