XML 77 R60.htm IDEA: XBRL DOCUMENT v3.8.0.1
Fair Value Measurements - Recurring Fair Value Measurements (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Sep. 30, 2016
Financial assets that are measured at fair value on a recurring basis    
Guarantee liability $ 0 $ (1,258)
Level 2 | Convertible Notes Hedges | Recurring    
Financial assets that are measured at fair value on a recurring basis    
Derivative asset 6,591 37,692
Level 2 | Convertible Notes Embedded Derivative | Recurring    
Financial assets that are measured at fair value on a recurring basis    
Derivative liability (6,591) (37,692)
Level 3 | Foreign currency forwards — discontinued operations | Non-designated derivatives | Recurring    
Financial assets that are measured at fair value on a recurring basis    
Guarantee asset 0 1,209
Guarantee liability $ 0 $ (1,258)