Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended		69 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Mar. 01, 2013	Jun. 10, 2011
Loss Contingencies [Line Items]
Certain claims selling, general and administrative, net	$ 0	$ 47.0	$ 0		$ 0	$ 450.2
Self-insured retention amount				20.00%
Receivables in other assets	218.0			218.0		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	391.6			391.6		391.6
Estimated liability classified as short-term	50.0			50.0		50.0
Estimated liability classified as long-term	341.6			341.6		341.6
Period for payment of majority of claims				5 years
Stryker Corporation [Member]
Loss Contingencies [Line Items]
Monetary damages for lost profits				70.0
Number of patents infringed	3			3		3
Estimated charges	$ 210.0			$ 210.0		$ 210.0