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Debt - Borrowing Thresholds (Details) (Revolving Credit Facility 2012 [Member])
 9 Months Ended
Jun. 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 4.00 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
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 3.50 percentage points
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 3.00 percentage points