Major Clients	12 Months Ended
Sep. 30, 2016
Major Clients
Major Clients	20. Major Clients Other than the U.S. federal government, no single client accounted for 10% or more of the Company's revenue in any of the past five fiscal years. Approximately 23%, 24%, and 15% of the Company's revenue was derived through direct contracts with agencies of the U.S. federal government in the years ended September 30, 2016, 2015 and 2014, respectively. One of these contracts accounted for approximately 3%, 2%, and 3% of the Company's revenue in the years ended September 30, 2016, 2015 and 2014, respectively.

20. Major Clients

Other than the U.S. federal government, no single client accounted for 10% or more of the Company's revenue in any of the past five fiscal years. Approximately 23%, 24%, and 15% of the Company's revenue was derived through direct contracts with agencies of the U.S. federal government in the years ended September 30, 2016, 2015 and 2014, respectively. One of these contracts accounted for approximately 3%, 2%, and 3% of the Company's revenue in the years ended September 30, 2016, 2015 and 2014, respectively.