v3.8.0.1

Defined Contribution Plan | 12 Months Ended
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Sep. 30, 2017
Compensation And Retirement Disclosure [Abstract] |
Defined Contribution Plan | 9. Defined Contribution Plan The Company has a 401(k) retirement and savings plan for the benefit of qualifying U.S. employees, and a defined contribution PRSA plan for the benefit of qualifying Ireland employees. For U.S. employees, the Company matches 50% of employee contributions on the first 6% of eligible compensation. For Ireland employees, the Company makes contributions of up to 8% of eligible compensation on employee contributions of up to 6% of eligible compensation. Company contributions totaling $0.7 million, $0.3 million and $0.3 million have been expensed in the years ended September 30, 2017, 2016 and 2015, respectively.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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