XML 111 R89.htm IDEA: XBRL DOCUMENT v3.6.0.2
Commitments and Contingencies - Additional Information (Detail)
€ in Millions, $ in Millions
12 Months Ended
Jan. 27, 2017
EUR (€)
Facility
Dec. 31, 2016
EUR (€)
Facility
Sep. 28, 2016
USD ($)
Hospital
Sep. 09, 2016
EUR (€)
Hospital
Jul. 20, 2016
EUR (€)
Hospital
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Commitment And Contingencies [Line Items]                
Term of lease period           30 years or more    
Lease and Rental Expenses | $           $ 6.8 $ 4.6 $ 2.3
Sublease rental income | $           $ 4.2 $ 2.3 $ 0.3
Washington and Idaho [Member]                
Commitment And Contingencies [Line Items]                
Number of rehabilitation hospitals | Hospital     2          
Purchase price of acquisition | $     $ 105.0          
Germany [Member] | Facility Closing One [Member]                
Commitment And Contingencies [Line Items]                
Number of rehabilitation hospitals | Hospital         20      
Purchase price of acquisition         € 215.7      
Number of facilities closed | Facility   7            
Consideration received on closing of facilities   € 49.5            
Term of lease, years         27 years      
Germany [Member] | Facility Closing Two [Member]                
Commitment And Contingencies [Line Items]                
Number of rehabilitation hospitals | Hospital       6        
Purchase price of acquisition       € 44.1        
Number of facilities closed | Facility   5            
Consideration received on closing of facilities   € 35.7            
Germany [Member] | Facility Closing Two [Member] | Subsequent Event [Member]                
Commitment And Contingencies [Line Items]                
Number of facilities closed | Facility 1              
Consideration received on closing of facilities € 8.4