v2.4.0.8
Changes in Book Value of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Nov. 01, 2012
Goodwill [Line Items]      
Beginning balance $ 8,952,750 $ 4,946,976  
Acquisitions 271,267 4,051,398  
Divestitures (2,728) (709)  
Held for sale   (31,853)  
Other adjustments (8,315) (843)  
Ending balance 9,212,974 8,952,750  
Previously Reported
     
Goodwill [Line Items]      
Ending balance   8,964,969  
Adjusted
     
Goodwill [Line Items]      
HCP purchase accounting adjustments   (12,219)  
Ending balance   8,952,750  
U.S. dialysis and related lab services
     
Goodwill [Line Items]      
Beginning balance 5,309,152 4,865,864  
Acquisitions 163,037 443,997  
Divestitures (2,728) (709)  
Other adjustments 12    
Ending balance 5,469,473 5,309,152  
U.S. dialysis and related lab services | Previously Reported
     
Goodwill [Line Items]      
Ending balance   5,309,152  
U.S. dialysis and related lab services | Adjusted
     
Goodwill [Line Items]      
Ending balance   5,309,152  
HealthCare Partners (HCP)
     
Goodwill [Line Items]      
Beginning balance 3,506,571   3,496,713
Acquisitions 17,833 3,518,790  
Other adjustments (8,242)    
Ending balance 3,516,162 3,506,571 3,496,713
HealthCare Partners (HCP) | Previously Reported
     
Goodwill [Line Items]      
Ending balance   3,518,790  
HealthCare Partners (HCP) | Adjusted
     
Goodwill [Line Items]      
HCP purchase accounting adjustments   (12,219)  
Ending balance   3,506,571  
Other-ancillary services and strategic initiatives
     
Goodwill [Line Items]      
Beginning balance 137,027 81,112  
Acquisitions 90,397 88,611  
Held for sale   (31,853)  
Other adjustments (85) (843)  
Ending balance 227,339 137,027  
Other-ancillary services and strategic initiatives | Previously Reported
     
Goodwill [Line Items]      
Ending balance   137,027  
Other-ancillary services and strategic initiatives | Adjusted
     
Goodwill [Line Items]      
Ending balance   $ 137,027