Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
Nov. 30, 2014	Nov. 30, 2013
Cash flows provided by (used in) operating activities:
Net income	$ 97.1us-gaap_NetIncomeLoss	$ 36.0us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	249.1	242.5
Amortization and write off of deferred financing costs	5.6us-gaap_AmortizationOfFinancingCosts	14.4us-gaap_AmortizationOfFinancingCosts
Stock-based compensation expense	7.6us-gaap_ShareBasedCompensation	8.6us-gaap_ShareBasedCompensation
Provision for (recovery) of doubtful accounts receivable	(0.3)	1.1
Litigation recoveries	(48.3)us-gaap_ProceedsFromLegalSettlements	0us-gaap_ProceedsFromLegalSettlements
Deferred income taxes	(47.9)us-gaap_DeferredIncomeTaxExpenseBenefit	(103.1)us-gaap_DeferredIncomeTaxExpenseBenefit
Other	0.8us-gaap_OtherNoncashIncomeExpense	(7.3)us-gaap_OtherNoncashIncomeExpense
Changes in operating assets and liabilities, net of acquired assets:
Accounts receivable	(12.3)	(39.3)
Inventories	(43.5)us-gaap_IncreaseDecreaseInInventories	(28.0)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses	17.0	10.0
Accounts payable	(30.0)	(21.0)
Income taxes	68.4	10.7
Accrued interest	(2.7)	1.3
Accrued wages and commissions	(39.8)	(31.0)
Accrued expenses and other	(58.1)	76.0
Net cash provided by operating activities	162.7	170.9
Cash flows provided by (used in) investing activities:
Proceeds from sales/maturities of investments	15.2	19.0
Purchases of investments	(16.3)us-gaap_PaymentsToAcquireInvestments	(19.6)us-gaap_PaymentsToAcquireInvestments
Net proceeds from sale of assets	0	0.1
Capital expenditures	(132.1)	(98.5)
Acquisitions, net of cash acquired	(0.6)	(0.8)
Net cash used in investing activities	(133.8)	(248.6)
Debt:
Payments under European facilities	0us-gaap_RepaymentsOfLinesOfCredit	(2.3)us-gaap_RepaymentsOfLinesOfCredit
Payments under senior secured credit facilities	(8.0)	(14.9)
Proceeds under revolvers	205.0	159.3
Payments under revolvers	(20.0)	(7.0)
Proceeds from senior notes due 2020 and term loans	0us-gaap_ProceedsFromNotesPayable	870.5us-gaap_ProceedsFromNotesPayable
Retirement of term loans	(180.0)us-gaap_RepaymentsOfNotesPayable	(1,091.6)us-gaap_RepaymentsOfNotesPayable
Payment of fees related to refinancing activities	0	(15.5)
Equity:
Option exercises	0.3	0.3
Net cash provided by (used in) financing activities	(2.7)	(101.2)
Effect of exchange rate changes on cash	2.7	(0.5)
Increase (decrease) in cash and cash equivalents	28.9	(179.4)
Cash and cash equivalents, beginning of period	247.6	355.6
Cash and cash equivalents, end of period	276.5	176.2
Supplemental disclosures of cash flow information:
Interest	155.5us-gaap_InterestPaid	186.6us-gaap_InterestPaid
Income taxes	(33.1)us-gaap_IncomeTaxesPaidNet	65.2us-gaap_IncomeTaxesPaidNet
Biomet, Inc. [Member]
Cash flows provided by (used in) operating activities:
Net income	97.1	36.0
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	249.1	242.5
Amortization and write off of deferred financing costs	5.6	14.4
Stock-based compensation expense	7.6	8.6
Provision for (recovery) of doubtful accounts receivable	(0.3)	1.1
Litigation recoveries	(48.3)	0
Deferred income taxes	(47.9)	(103.1)
Other	0.8	(7.3)
Changes in operating assets and liabilities, net of acquired assets:
Accounts receivable	(12.3)	(39.3)
Inventories	(43.5)	(28.0)
Prepaid expenses	17.0	10.0
Accounts payable	(30.0)	(21.0)
Income taxes	68.4	10.7
Accrued interest	(2.7)	1.3
Accrued wages and commissions	(39.8)	(31.0)
Accrued expenses and other	(58.1)	76.0
Net cash provided by operating activities	162.7	170.9
Cash flows provided by (used in) investing activities:
Proceeds from sales/maturities of investments	15.2	19.0
Purchases of investments	(16.3)	(19.6)
Net proceeds from sale of assets	0	0.1
Capital expenditures	(132.1)	(98.5)
Acquisitions, net of cash acquired	(0.6)	(0.8)
Net cash used in investing activities	(133.8)	(248.6)
Debt:
Payments under European facilities	0	(2.3)
Payments under senior secured credit facilities	(8.0)	(14.9)
Proceeds under revolvers	205.0	159.3
Payments under revolvers	(20.0)	(7.0)
Proceeds from senior notes due 2020 and term loans	0	870.5
Retirement of term loans	(180.0)	(1,091.6)
Payment of fees related to refinancing activities	0	(15.5)
Equity:
Option exercises	0.3	0.3
Net cash provided by (used in) financing activities	(2.7)	(101.2)
Effect of exchange rate changes on cash	2.7	(0.5)
Increase (decrease) in cash and cash equivalents	28.9	(179.4)
Cash and cash equivalents, beginning of period	247.6	355.6
Cash and cash equivalents, end of period	276.5	176.2
Supplemental disclosures of cash flow information:
Interest	155.5	186.6
Income taxes	(33.1)	65.2
Lanx, Inc. [Member]
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization		1.9
Cash flows provided by (used in) investing activities:
Acquisitions, net of cash acquired	0	(148.8)
Lanx, Inc. [Member] \| Biomet, Inc. [Member]
Cash flows provided by (used in) investing activities:
Acquisitions, net of cash acquired	$ 0	$ (148.8)

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Other income (expense) included in net income that results in no cash inflows or outflows in the period. Includes noncash adjustments to reconcile net income (loss) to cash provided by (used in) operating activities that are not separately disclosed.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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Cash received for the settlement of litigation during the current period.

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The cash inflow from a borrowing supported by a written promise to pay an obligation.

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The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

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Amount of cash inflow (outflow) from long-term debt wholly or partially secured by collateral. Excludes tax exempt secured debt.

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The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets).

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The cash outflow for a borrowing supported by a written promise to pay an obligation.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Total of recoveries of amounts due the Entity that had previously been written off as uncollectible using allowances (the valuation accounts that are netted against the cost of an asset to value it at its carrying value) and total of reestablishments of reserves (liabilities established to represent expected future costs) that had previously been utilized.

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-Name Regulation S-X (SX)

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-Section 09

-Article 12

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