Goodwill and Other Intangible Assets (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013
Estimate of the amount and classification of amortization expense for definite-lived intangible assets
Amortization Expense, 2014	$ 6,487
Amortization Expense, 2015	6,363
Amortization Expense, 2016	6,306
Amortization Expense, 2017	6,023
Amortization Expense, 2018	3,390
Operations Expense, 2014	121
Operations Expense, 2015	112
Operations Expense, 2016	110
Operations Expense, 2017	110
Operations Expense, 2018	110
Interest Expense, 2014	2,634
Interest Expense, 2015	1,425
Interest Expense, 2016	544
Interest Expense, 2017	430
Interest Expense, 2018	$ 0