Discontinued Operations and Restructuring - Restructuring Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 17,080	$ 6,664	$ 0
Restructuring Plan 2015 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	17,080
Restructuring Plan 2015 [Member] | Long-Lived Asset Impairment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	2,346
Restructuring Plan 2015 [Member] | Other [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	3,447
Restructuring Plan 2015 [Member] | Asset Disposals [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	3,650
Restructuring Plan 2015 [Member] | Lease Termination Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 7,637