Business segments (Details 2) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2013 |
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2013 |
|
Revenues and total long-lived assets | |||||||||||
Revenues | $ 578,683 | $ 572,301 | $ 481,794 | $ 467,043 | $ 435,406 | $ 419,899 | $ 439,015 | $ 406,592 | $ 2,099,821 | $ 1,700,912 | $ 1,331,279 |
Total long-lived assets | 189,623 | 137,106 | 189,623 | 137,106 | |||||||
United States | |||||||||||
Revenues and total long-lived assets | |||||||||||
Revenues | 1,559,769 | 1,306,026 | 999,419 | ||||||||
Total long-lived assets | 120,130 | 93,500 | 120,130 | 93,500 | |||||||
Australia | |||||||||||
Revenues and total long-lived assets | |||||||||||
Revenues | 178,167 | 170,727 | 157,383 | ||||||||
Total long-lived assets | 33,591 | 8,769 | 33,591 | 8,769 | |||||||
Canada | |||||||||||
Revenues and total long-lived assets | |||||||||||
Total long-lived assets | 19,720 | 27,043 | 19,720 | 27,043 | |||||||
United Kingdom | |||||||||||
Revenues and total long-lived assets | |||||||||||
Revenues | 267,702 | 128,363 | 65,718 | ||||||||
Total long-lived assets | 16,141 | 7,731 | 16,141 | 7,731 | |||||||
Rest of World | |||||||||||
Revenues and total long-lived assets | |||||||||||
Revenues | 94,183 | 95,796 | $ 108,759 | ||||||||
Total long-lived assets | $ 41 | $ 63 | $ 41 | $ 63 |