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Major Clients	12 Months Ended
	Sep. 30, 2019
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 26%, 23%, and 22% of the Company’s revenue was derived through direct contracts with agencies of the U.S. federal government in the years ended September 30, 2019, 2018 and 2017, respectively. One of these contracts accounted for approximately 3%, 2%, and 3% of the Company’s revenue in the years ended September 30, 2019, 2018 and 2017, respectively.

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The entire disclosure for concentration risk on revenues from major clients. Major clients are those which that the loss of such client would have a material adverse effect on the entity.

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