Debt - Borrowing Information (Details) (Revolving Credit Facility 2006 [Member])	12 Months Ended
	Sep. 30, 2013
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate Description	of borrowings of 4.0% over LIBOR per annum
Greater than or equal to $60,000
Debt Instrument [Line Items]
Debt Instrument, Unused Borrowing Capacity, Description	Greater than or equal to $60,000
Debt Instrument, Description of Variable Rate Basis	LIBOR plus 3.00% or Base Rate plus 1.00%
Line of Credit Facility, Interest Rate Description	3.00% plus 0.25% fronting fee
Greater than $40,000 and less than $60,000
Debt Instrument [Line Items]
Debt Instrument, Unused Borrowing Capacity, Description	Greater than $40,000 and less than $60,000
Debt Instrument, Description of Variable Rate Basis	LIBOR plus 3.25% or Base Rate plus 1.25%
Line of Credit Facility, Interest Rate Description	3.25% plus 0.25% fronting fee
Less than or equal to $40,000
Debt Instrument [Line Items]
Debt Instrument, Unused Borrowing Capacity, Description	Less than or equal to $40,000
Debt Instrument, Description of Variable Rate Basis	LIBOR plus 3.50% or Base Rate plus 1.50%
Line of Credit Facility, Interest Rate Description	3.50% plus 0.25% fronting fee