Business acquisition contingent consideration revenue earn-out period.

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- Definition

Initial investment In equity method investment.

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No definition available.

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Investment period.

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No definition available.

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- Definition

Number of outpatient dialysis centers acquired.

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- Definition

Subscribed investment amount.

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No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 6
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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.

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No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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- Definition

The amount of liabilities recognized recorded in a transaction with the acquiree for each transaction that is recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

The amount of the gain (loss) recognized by the parent and included in its attributable portion of net income for the period due to deconsolidation of a subsidiary or derecognition of a group of assets. The gain (loss) recognized and included in the net income attributable to the parent for the period is generally computed as the difference between: (a) the aggregate of: (1) the fair value of any consideration received; (2) the fair value of any retained noncontrolling investment in the former subsidiary at the date the subsidiary was deconsolidated; and (3) the carrying amount of any noncontrolling interest in the former subsidiary (including any accumulated other comprehensive income attributable to the noncontrolling interest) at the date the subsidiary was deconsolidated and (b) the carrying amount of the former subsidiary's assets and liabilities.

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- Definition

Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

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No definition available.

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- Definition

The number of businesses acquired by the entity during the period.

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No definition available.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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-SubTopic 10
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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

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No definition available.

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Percentage of subsidiary's or equity investee's stock owned by parent company before stock transaction.

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No definition available.

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Acquisitions and Divestitures - Additional Information (Detail) $ in Thousands					1 Months Ended	3 Months Ended	6 Months Ended	9 Months Ended
	Aug. 09, 2016 USD ($) Clinic	Aug. 01, 2016 USD ($)	Jun. 01, 2016 USD ($)	Mar. 01, 2016 USD ($)	Dec. 31, 2012 Entity	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Sep. 30, 2016 USD ($) Entity	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Gain (loss) on sales of business interests						$ 374,374		$ 404,165
Cash paid to acquire business								$ 497,331	$ 90,709
Amortizable intangible assets acquired, weighted-average estimated useful lives								7 years
Goodwill deductible for tax purposes associated with acquisitions						108,874		$ 108,874
Fair value of contingent earn-out consideration						14,198		14,198		$ 34,135
Other Accrued Liabilities
Business Acquisition [Line Items]
Fair value of contingent earn-out consideration						12,836		12,836
Other long-term liabilities
Business Acquisition [Line Items]
Fair value of contingent earn-out consideration						1,362		1,362
Other companies
Business Acquisition [Line Items]
Additional cash consideration in the form of earn-out payments						95,804		95,804
Fair value of contingent earn-out consideration						14,198		$ 14,198
Minimum \| Other companies \| EBITDA or Operating Income Performance Targets or Quality Margins
Business Acquisition [Line Items]
Earn-out consideration payment period								1 year
Maximum \| Other companies \| EBITDA or Operating Income Performance Targets or Quality Margins
Business Acquisition [Line Items]
Earn-out consideration payment period								2 years
Noncompetition agreements
Business Acquisition [Line Items]
Amortizable intangible assets acquired, weighted-average estimated useful lives								7 years
DaVita Medical Group (DMG) \| Arizona
Business Acquisition [Line Items]
Gain (loss) on sales of business interests			$ (10,489)
DaVita Medical Group (DMG) \| Tandigm Health
Business Acquisition [Line Items]
Ownership interest, before sale							50.00%
Ownership interest, after sale							19.00%
Gain (loss) on sales of business interests							$ 40,280
The Everett Clinic Medical Group (TEC)
Business Acquisition [Line Items]
Ownership interest percentage				100.00%
Date of acquisition agreement								Nov. 23, 2015
Effective date of acquisition								Mar. 01, 2016
Cash paid to acquire business				$ 393,687
Assumptions of certain liabilities				$ 7,284
Amortizable intangible assets acquired, weighted-average estimated useful lives								6 years
Goodwill deductible for tax purposes associated with acquisitions						$ 0		$ 0
Dialysis businesses and other businesses
Business Acquisition [Line Items]
Cash paid to acquire business								103,644
Number of businesses acquired \| Entity					2
Deferred purchase price obligations								$ 15,397
Dialysis businesses and other businesses \| U.S. Dialysis And Related Lab Services
Business Acquisition [Line Items]
Number of businesses acquired \| Entity								4
Renal Ventures Limited, LLC
Business Acquisition [Line Items]
Ownership interest percentage	100.00%
Cash paid to acquire business	$ 360,000
Number of outpatient dialysis centers acquired \| Clinic	38
Renal Ventures Limited, LLC \| New Center Under Construction
Business Acquisition [Line Items]
Number of outpatient dialysis centers acquired \| Clinic	1
Renal Ventures Limited, LLC \| Vascular Access Clinic
Business Acquisition [Line Items]
Ownership interest percentage	51.00%
Number of outpatient dialysis centers acquired \| Clinic	1
Foreign Dialysis Centers \| Dialysis businesses and other businesses \| Other Segments
Business Acquisition [Line Items]
Number of businesses acquired \| Entity								11
Other Medical Businesses \| Dialysis businesses and other businesses \| Other Segments
Business Acquisition [Line Items]
Number of businesses acquired \| Entity								5
Khazanah Nasional Berhad and Mitsui and Co., LTD \| Asia-Pacific dialysis business
Business Acquisition [Line Items]
Subscribed investment amount		$ 300,000
Ownership interest percentage		40.00%
Investment period		3 years
Initial investment in equity method investment		$ 50,000
Non-cash non-taxable gain								$ 374,374