Discontinued Operations and Restructuring - Restructuring (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Restructuring Reserve [Roll Forward]
Beginning balance	$ 3,858		$ 6,121
Charged to expense	726	$ 0	726	$ 0
Cash payments	(699)		(2,962)	$ 0
Balance as of March 31, 2015	$ 3,885		$ 3,885