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Certain claims.

Compensatory damages awarded.

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Judgment against company and third party.

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Percentage of fault apportioned to company.

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Percentage of fault apportioned to plaintiffs.

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Percentage of fault apportioned to unrelated third party.

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Post suspension claims recorded in selling general and administrative expenses.

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Pre suspension claims recorded in selling general and administrative expenses.

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Remaining liability for durom claims relating to original surgeries performed before July 22, 2008 Current.

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Remaining liability for durom claims relating to original surgeries performed before July 22, 2008 Non current.

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Remaining liability for claims relating to original surgeries performed.

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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended		42 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Mar. 31, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 10, 2011
Commitments and Contingencies (Numeric)
Certain claims (Note 15)	$ 50.0	$ 75.0		$ 50.0	$ 75.0	$ 229.0
Loss contingency provision			10.9			42.7
Post suspension claims recorded in selling general and administrative expenses						9.0
Estimated liability outstanding	159.8			159.8		159.8
Estimated liability classified as short-term	42.5			42.5		42.5
Estimated liability classified as long-term	117.3			117.3		117.3
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%
Judgment against company and PCI							$ 20.3