SUMMARY OF SIGNIFICANT ACCOUNT POLICIES (Schedule Of Property, Plant And Equipment Balances And Corresponding Lives) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	384,449us-gaap_PropertyPlantAndEquipmentGross	$ 357,507us-gaap_PropertyPlantAndEquipmentGross
Less: Accumulated depreciation	(174,463)	(157,197)
Property, plant and equipment, net	209,986us-gaap_PropertyPlantAndEquipmentNet	200,310us-gaap_PropertyPlantAndEquipmentNet
Land
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	3,308	3,022
Buildings and building improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	16,272	15,377
Buildings and building improvements \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Buildings and building improvements \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	40 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	45,416	42,900
Leasehold improvements \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	1 year
Leasehold improvements \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	20 years
Machinery and production equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	92,149	86,192
Machinery and production equipment \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Machinery and production equipment \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	20 years
Surgical instrument kits
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	32,551	30,352
Surgical instrument kits \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	4 years
Surgical instrument kits \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Information systems and hardware
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	92,392	51,171
Information systems and hardware \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	1 year
Information systems and hardware \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	7 years
Furniture, fixtures, and office equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	15,517	16,363
Furniture, fixtures, and office equipment \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	1 year
Furniture, fixtures, and office equipment \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	15 years
Construction-in-progress
Property, Plant and Equipment [Line Items]
Property, plant, and equipment	86,844	$ 112,130

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.14)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 14

-Article 5

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph a

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 7

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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