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BUSINESS ACQUISITIONS AND INVESTMENTS IN AFFILIATES Unaudited Financial Information had the Astra Tech Acquisition Occurred (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011
Business Acquisition, Pro Forma Information [Line Items]
Net sales	$ 2,918,347
Net income attributable to DENTSPLY	$ 250,363
Diluted earnings per common share	$ 1.74

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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- Definition

Business Acquisition Pro Forma Earnings Per Share Basic And Diluted

+ References

No definition available.

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