Derivative Financial Instruments - Schedule of Notional Amounts of Outstanding Derivative Positions (Details)	Sep. 30, 2014 lb
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	21,682,000
Derivative Instruments Designated as Cash Flow Hedges
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	20,700,000
Derivative Instruments Not Designated as Accounting Hedges
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	982,000