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Subsequent Events	12 Months Ended
Subsequent Events	Sep. 30, 2013
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events Repayment of Loan On October 4, 2013, the Company repaid the outstanding balance of loan payable for the purchase of land and the construction of the corporate headquarters facility. In connection with the repayment, the Company paid $10,216 in outstanding principal and $46 in outstanding accrued interest. See Note 9 for further details of the loan terms. Acquisition of Latista On November 14, 2013, the Company announced that it has entered into an agreement to acquire Latista, the leading provider of mobile-enabled solutions for construction project collaboration, for cash consideration of $35,000. The acquisition is expected to close on or about December 2, 2013 and is subject to customary closing conditions, including certain required consents and the approval by Latista’s stockholders.