Business acquisition contingent consideration revenue earn-out period.

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=26713463&loc=d3e16265-109275

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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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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 25

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

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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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 35

-Paragraph 1

-Subparagraph b

-URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 25

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

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- Definition

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

+ References

No definition available.

+ Details

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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

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

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- Details

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Acquisitions - Additional Information (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($) Entity	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Business Acquisition [Line Items]
Cash paid to acquire business	$ 45,059	$ 98,442
Dialysis businesses and other businesses
Business Acquisition [Line Items]
Cash paid to acquire business	45,059
Deferred purchase price obligations	$ 394
Amortizable intangible assets acquired, weighted-average estimated useful lives	4 years
Goodwill deductible for tax purposes associated with acquisitions	$ 33,732
Additional cash consideration in the form of earn-out payments	134,321
Fair value of contingent earn-out consideration	34,957		$ 39,129
Dialysis businesses and other businesses \| Other short-term liabilities
Business Acquisition [Line Items]
Fair value of contingent earn-out consideration	25,728
Dialysis businesses and other businesses \| Other long-term liabilities
Business Acquisition [Line Items]
Fair value of contingent earn-out consideration	$ 9,229
Dialysis businesses and other businesses \| EBITDA or Operating Income Performance Targets or Quality Margins \| Minimum
Business Acquisition [Line Items]
Earn out consideration payment period	1 year
Dialysis businesses and other businesses \| EBITDA or Operating Income Performance Targets or Quality Margins \| Maximum
Business Acquisition [Line Items]
Earn out consideration payment period	3 years
Dialysis businesses and other businesses \| Non-Compete Agreements
Business Acquisition [Line Items]
Amortizable intangible assets acquired, weighted-average estimated useful lives	6 years
Dialysis businesses and other businesses \| Trade Names
Business Acquisition [Line Items]
Amortizable intangible assets acquired, weighted-average estimated useful lives	3 years
Dialysis businesses and other businesses \| U.S. dialysis and related lab services
Business Acquisition [Line Items]
Number of businesses acquired \| Entity	1
Dialysis businesses and other businesses \| Foreign dialysis and other medical businesses
Business Acquisition [Line Items]
Number of businesses acquired \| Entity	1
Dialysis businesses and other businesses \| Vascular access centers
Business Acquisition [Line Items]
Number of businesses acquired \| Entity	3