Other Liabilities Other Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Other Liabilities Disclosure [Abstract]
Accrued warranty expenses	$ 28,913	$ 27,681	$ 27,227	$ 16,084
Accrued interest	20,215	31,632
Customer deposits	13,284	13,757
Accrued and deferred compensation	10,073	25,076
Estimated Litigation Liability	13,612	12,607
Income tax liabilities	1,910	1,998
Other	34,261	36,215
Total	$ 122,268	$ 148,966