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Summary of Significant Accounting Policies Significant Accounting Policies (Details) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Sep. 30, 2012
Summary of Significant Accounting Policies [Line Items]      
Treasury money market funds, at fair value $ 58,000,000    
Internal-use software development costs capitalized (796,000) (347,000)  
Stock options, SARs and RSUs vesting period in years, minimum     3
Stock options, SARs and RSUs vesting period in years, maximum     4
Effective income tax rate (196.00%) 45.00%  
Federal statutory income tax rate 100000000.00%   34.00%
Cloud-based product offerings [Member]
     
Summary of Significant Accounting Policies [Line Items]      
Internal-use software development costs capitalized $ 900,000 $ 300,000