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Credit Agreement, as amended (Details) - USD ($)
$ in Millions
Feb. 29, 2016
Sep. 30, 2015
Sep. 29, 2015
Subsequent Event [Line Items]      
Current borrowing capacity   $ 100 $ 20
Potential borrowing capacity, with accordian feature   $ 150  
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Current borrowing capacity $ 150    
Potential borrowing capacity, with accordian feature $ 200