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Contingencies - Additional Information (Detail) $ in Thousands | 1 Months Ended | 3 Months Ended
--- | --- | ---
Mar. 31, 2016 USD ($) | Jun. 30, 2015 USD ($) | Dec. 31, 2012 Entity | Dec. 31, 2015 USD ($)
Dialysis businesses and other businesses |  |  |  |
Other Commitments [Line Items] |  |  |  |
Number of businesses acquired | Entity |  |  | 2 |
Vainer Private Civil Suit |  |  |  |
Other Commitments [Line Items] |  |  |  |
Litigation settlement amount |  | $ 450,000 |  |
Legal fees |  | $ 45,000 |  |
2016 U.S. Attorney Prescription Drug Investigation |  |  |  |
Other Commitments [Line Items] |  |  |  |
Estimated accrual for potential damages and liabilities |  |  |  | $ 22,530
Solari Post-Acquisition Matter |  |  |  |
Other Commitments [Line Items] |  |  |  |
Estimated accrual for potential damages and liabilities | $ 16,000 |  |  |

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- Definition The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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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. + Details
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- Details
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- Details
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- Details
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- Details
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