Recent Acquisitions by Biomet - Pro Forma Information (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	3 Months Ended
Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2013
Business Acquisition [Line Items]
Amortization and depreciation of assets	$ 249.1	$ 242.5
Transaction costs		4.1	4.1
Lanx, Inc. [Member]
Business Acquisition [Line Items]
Pro forma net sales		1,595.3	841.5
Pro forma net income (loss)		35.2	7.6
Amortization and depreciation of assets		$ 1.9	$ 0.8

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

No definition available.

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- Definition

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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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

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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