Accounts receivable from Ontario government sponsored healthcare plan

No definition available.

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- Definition

The percentage of revenue recognized in the period based on fees charged on a per capita basis with certain managed care customers.

+ References

No definition available.

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- Definition

Gross receivable balance due from Medicare and Medicaid programs.

+ References

No definition available.

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- Definition

This element represents the maximum ownership percentage of cost-method investments held by the Company. Generally, such investments do not have readily determinable fair values and are not required to be accounted for by the equity method. The carrying amount of such securities equates to cost, adjusted for other-than-temporary impairment.

+ References

No definition available.

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- Definition

For tax positions that are more likely than not to be sustained on audit by the taxing authority, the entity recognizes the largest amount of tax benefit that it believes exceeds a minimum likelihood of being recognized. This element represents the minimum percentage of likelihood that a tax benefit will be realized that the entity uses to assess if a benefit should be recognized.

+ References

No definition available.

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- Definition

The percentage of revenue recognized in the period derived directly from the Medicare and Medicaid programs.

+ References

No definition available.

+ Details

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- Definition

Percent of gross accounts receivable due from patients

+ References

No definition available.

+ Details

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- Definition

Capitalized software costs are amortized over the estimated useful life of the underlying system.

+ References

No definition available.

+ Details

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- Definition

Amount of other assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 15
-Paragraph 4
-Subparagraph (b)(2)
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- Definition

The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

+ References

No definition available.

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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-Name Accounting Standards Codification
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- Definition

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

+ References

No definition available.

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- Definition

Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer.

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- Definition

Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.

+ References

No definition available.

+ Details

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2017 USD ($) yr	Dec. 31, 2016 USD ($)	Dec. 31, 2014	Dec. 31, 2015 USD ($)
Goodwill [Line Items]
Cash, Uninsured Amount			$ 315.5
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification			18.9	$ 14.0
Goodwill			7,530.0	6,424.4		$ 6,202.1
Derivative, Fair Value, Net			0.0
Other Inventory, Supplies, Gross			195.2	171.7
Inventory, Finished Goods, Gross			32.4	33.5
Unbilled Receivables, Current			138.2	97.1
Ownership percentage below which investments are generally accounted for on the cost method (in hundredths)	20.00%
Revenue from Medicare and Medicaid programs, percentage (in hundredths)	15.10%	15.50%			16.00%
Revenue from capitated agreements with certain managed care customers, percentage (in hundredths)	3.60%	3.40%			3.50%
Accounts receivable balances (gross) from Medicare and Medicaid			$ 109.8	113.0
Estimated useful life of capitalized software costs (in years) \| yr			5
Minimum threshold percentage required to recognize income tax benefit (in hundredths)			50.00%
Accounts receivable from Ontario government sponsored healthcare plan			$ 12.9	$ 15.8
Percent of gross accounts receivable due from patients			20.90%	20.00%
Assets Held-for-sale, Not Part of Disposal Group, Current, Other			$ 55.2	$ 51.2
Gain (Loss) on Disposition of Assets				3.6
Minimum [Member] \| Customer Relationships [Member]
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years
Minimum [Member] \| Patents, Licenses And Technology [Member]
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life			3 years
Minimum [Member] \| Non-compete agreements [Member]
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life			5 years
Minimum [Member] \| Trade Names [Member]
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life			5 years
Maximum [Member] \| Customer Relationships [Member]
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life			36 years
Maximum [Member] \| Patents, Licenses And Technology [Member]
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life			15 years
Maximum [Member] \| Non-compete agreements [Member]
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years
Maximum [Member] \| Trade Names [Member]
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life			15 years
LabCorp Diagnostics [Member]
Goodwill [Line Items]
Goodwill			$ 3,844.4	3,644.8		3,137.7
Covance Drug Development [Member]
Goodwill [Line Items]
Goodwill			$ 3,685.6	$ 2,779.6		$ 3,064.4