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Product Segment and Geographic Information - Sales Percentages by Geographic Region (Details) (Sales [Member])
3 Months Ended 6 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Segment Reporting Information [Line Items]        
Sales percentages by geographic region 100.00% 100.00% 100.00% 100.00%
The Americas Segment [Member]
       
Segment Reporting Information [Line Items]        
Sales percentages by geographic region 58.00% 67.00% 55.00% 64.00%
Europe Segment [Member]
       
Segment Reporting Information [Line Items]        
Sales percentages by geographic region 37.00% 28.00% 41.00% 32.00%
Asia Segment [Member]
       
Segment Reporting Information [Line Items]        
Sales percentages by geographic region 5.00% 5.00% 4.00% 4.00%