Annual report pursuant to Section 13 and 15(d)

Business segments - Schedule of Long-Lived Assets by Geographical Areas (Details)

v3.5.0.2
Business segments - Schedule of Long-Lived Assets by Geographical Areas (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Sep. 30, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total long-lived assets $ 185,015 $ 189,623
United States    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total long-lived assets 118,751 120,130
Australia    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total long-lived assets 38,852 33,591
Canada    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total long-lived assets 16,209 19,720
United Kingdom    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total long-lived assets 11,086 16,141
Rest of World    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total long-lived assets $ 117 $ 41