XML 41 R43.htm IDEA: XBRL DOCUMENT v3.2.0.727
Summary of Significant Accounting Policies (Details 6) - May. 31, 2015
$ in Millions
USD ($)
aircraft
USD ($)
Equipment under leases    
Number of remaining aircraft sold | aircraft 2  
Future rent due to us under non-cancelable leases    
2016 $ 18.4 $ 18.4
2017 17.6 17.6
2018 17.2 17.2
2019 16.7 16.7
2020 16.1 16.1
Aircraft engines and rotable parts    
Equipment under leases    
Impairment charges of equipment on short-term lease   $ 17.7
Aircraft    
Equipment under leases    
Proceeds from sale of long term leases 11.0  
Loss on sale of long term leases $ 14.8  
Minimum    
Equipment under leases    
Period of short-term leases   1 month
Period of long-term lease   12 months
Maximum    
Equipment under leases    
Period of short-term leases   12 months