Segment Information (Schedule Of Revenues By Product Line Percentages) (Details)	3 Months Ended
	Dec. 31, 2012 Segment	Dec. 31, 2011
Revenue by Product Line [Line Items]
Number of reportable business segments	1
Total percent of product line	100.00%	100.00%
Information Optimization Solutions
Revenue by Product Line [Line Items]
Percent of revenue by product line	96.00%	94.00%
Business Service Management Solutions
Revenue by Product Line [Line Items]
Percent of revenue by product line	4.00%	6.00%