Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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+ Details

Goodwill and Other Intangible Assets (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011 ReportingUnit	Dec. 31, 2010	Dec. 31, 2009
Goodwill and Other Intangible Assets (Textual)
Goodwill impairment		$ 204.0	$ 73.0
Number of other reporting units with goodwill	6
US Spine Reporting Unit [Member]
Goodwill [Line Items]
Fair Value Greater Than Carrying Value Percent	13.00%
Goodwill and Other Intangible Assets (Textual)
Goodwill impairment		$ 204.0