Debt - Borrowing Thresholds (Details) (2012 Credit Facility [Member])	12 Months Ended
	Sep. 30, 2014
Level I
Debt Instrument [Line Items]
Liquidity is less than or equal to at any time during the period	Liquidity ≤ $20,000 at any time during the period
Excess Availability is less than or equal to at any time during the period	Excess Availability ≤ $7,500 at any time during the period
Fixed charge coverage ratio is less than	Fixed charge coverage ratio < 1.0:1.0
Percentage Points	3.00 percentage points
Level II
Debt Instrument [Line Items]
Liquidity is greater than and less than or equal to	Liquidity > $20,000 at all times during the period; and Liquidity ≤ $30,000 at any time during the period; and
Fixed charge coverage is greater than or equal to	Fixed charge coverage ratio ≥ 1.0:1.0
Percentage Points	2.50 percentage points
Excess Availability Is Equal To	Excess Availability $7,500
Level III
Debt Instrument [Line Items]
Liquidity is greater than at all times during the period	Liquidity > $30,000 at all times during the period
Excess Availability is greater than	Excess Availability > $7,500
Fixed charge coverage is greater than or equal to	Fixed charge coverage ratio ≥ 1.0:1.0
Percentage Points	2.00 percentage points