Discontinued Operations and Restructuring - Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Restructuring Reserve [Roll Forward]
Charged to expense	$ 0	$ 37	$ 1,910	$ 763
Cash payments			(8,367)	(3,668)
Fiscal 2014 Restructuring
Restructuring Reserve [Roll Forward]
Beginning balance	0	3,885	2,901	6,121
Charged to expense	0	37	0	763
Cash payments	0	(706)	(2,901)	(3,668)
Ending Balance	0	$ 3,216	0	$ 3,216
Fiscal 2015 Restructuring
Restructuring Reserve [Roll Forward]
Beginning balance	5,178		8,076
Charged to expense	0		1,594
Cash payments	(1,666)		(5,466)
Other	1,716		1,024
Ending Balance	$ 5,228		$ 5,228