Property and Equipment (Details Textuals) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Mar. 31, 2012	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Property, Plant and Equipment [Line Items]
Depreciation, continuing operations	$ 7,460	$ 7,414	$ 7,340	$ 7,251	$ 6,950	$ 6,465	$ 5,755	$ 5,220	$ 29,801	$ 27,858	$ 21,851
Depreciation, discontinued operations									1,500	1,800	1,400
Carrying Amount									237,183	291,245
Long-lived assets impairment, discontinued operations									11,795	5,605
Software [Member]
Property, Plant and Equipment [Line Items]
Depreciation, continuing operations									2,600	2,900	2,900
Carrying Amount									36,194	34,727
Capital lease equipment [Member]
Property, Plant and Equipment [Line Items]
Depreciation, continuing operations									300	300	$ 100
Carrying Amount									1,600	$ 1,600
U.S. and Canada and Other International Segments [Member]
Property, Plant and Equipment [Line Items]
Long-lived assets impairment, discontinued operations									1,500
Long-lived assets impairment, net of tax, discontinued operations									$ 1,400