|
Summary of Expenditures for Property and Equipment by Segment (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Segment Reporting Information [Line Items] | ||
| Expenditures for property and equipment | $ 121,421 | $ 126,562 |
| U.S. dialysis and related lab services | ||
| Segment Reporting Information [Line Items] | ||
| Expenditures for property and equipment | 105,395 | 113,230 |
| HealthCare Partners (HCP) | ||
| Segment Reporting Information [Line Items] | ||
| Expenditures for property and equipment | 5,034 | 4,502 |
| Other-Ancillary services and strategic initiatives | ||
| Segment Reporting Information [Line Items] | ||
| Expenditures for property and equipment | $ 10,992 | $ 8,830 |