Organization and Significant Accounting Policies (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2011
Error Corrections and Prior Period Adjustment Restatement [Abstract]
Increase in payroll expenses			$ 1,300,000
Impaired Intangible Assets [Abstract]
Impairment charge, intangible assets	1,400,000		18,200,000
Significant Accounting Policies (Textual) [Abstract]
Common stock, shares authorized	120,000,000	120,000,000	70,000,000	70,000,000
Common stock par value			$ 42.13
Gain (Loss) on Derivative Instruments, Net, Pretax			2,400,000
Gain on change in fair value of derivative liability			39,500,000
Loss on change in fair value of derivative assets			37,100,000
Maturity period of highly liquid investments	three months or less
Consigned inventory balances	5,900,000	7,400,000
Allowance for excess and obsolete inventory	21,900,000	16,900,000
Impairment charges related to goodwill	0	8,300,000	0
Product shipment costs	21,700,000	17,600,000	18,800,000
Change in accounting estimate included in marketing and administrative expenses	4,600,000	1,200,000	5,900,000
Change in accounting estimate, effect on net income	3,300,000	700,000	4,200,000
Change in accounting estimate on earning per share	$ 0.07	$ 0.02	$ 0.10
Translation Adjustment Functional to Reporting Currency, Net of Tax	3,300,000	700,000
IPR&D [Member]
Impaired Intangible Assets [Abstract]
Impairment charge, intangible assets		1,400,000	17,600,000
Surgical Instruments [Member]
Property, Plant and Equipment [Abstract]
Estimated useful life minimum			3 years
Estimated useful life maximum			4 years
Sales, marketing and administrative expense [Member]
Error Corrections and Prior Period Adjustment Restatement [Abstract]
Increase in payroll expenses			1,000,000
Research and development expense [Member]
Error Corrections and Prior Period Adjustment Restatement [Abstract]
Increase in payroll expenses			300,000
2.75% Senior Convertible Notes due 2017 [Member]
Debt Instruments [Abstract]
Principal amount of senior convertible notes	$ 402,500,000	$ 402,500,000	$ 402,500,000
Interest rate on convertible notes			2.75%
Significant Accounting Policies (Textual) [Abstract]
Common stock authorized			9,553,096
Common stock par value			$ 42.13
Minimum [Member]
Significant Accounting Policies (Textual) [Abstract]
Finite-Lived Intangible Assets, Useful Life, Maximum	1 year
Property plant and equipment, Minimum	3 years
Maximum [Member]
Significant Accounting Policies (Textual) [Abstract]
Finite-Lived Intangible Assets, Useful Life, Maximum	17 years
Property plant and equipment, Minimum	20 years