Goodwill and Other Intangible Assets (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Classification of amortization recognized as expense
Amortization expense in continuing operations	$ 5,475	$ 3,485	$ 1,956
Amortization expense in discontinued operations	1,818	1,776	23
Operations expense	111	108	138
Interest expense	5,137	3,208	2,478
Total expense from the amortization of definite-lived intangible assets	$ 12,541	$ 8,577	$ 4,595