Subsequent Events	9 Months Ended
Jun. 30, 2017
Subsequent Events [Abstract]
Subsequent Events	19. Subsequent Events On July 5, 2017, the Company entered into an Asset Purchase Agreement with Pacific Bio-Material Management, Inc. (“PBMMI”) and Novare, LLC, a wholly owned subsidiary of PBMMI (collectively, the “Sellers”), pursuant to which the Company acquired substantially all of the assets and liabilities of the Sellers’ business related to providing storage, transportation, management, and cold chain logistics of biological materials. Total cash payment made by the Company was $34.3 million, net of cash acquired, and is subject to working capital adjustments. The acquisition is expected to expand the Company’s existing capabilities with respect to sample management and integrated cold chain storage and transportation solutions within the Brooks Life Science Systems segment. The Company expects to report the results of operations for this acquisition within the results of Brooks Life Science Systems segment starting from the acquisition date. The Company has not presented a purchase price allocation related to fair values of assets acquired and liabilities assumed, as well as proforma information summary for its consolidated results of operations for the three and nine months ended June 30, 2017 and 2016 as if the acquisition occurred on October 1, 2015 because the initial accounting for the acquisition was incomplete on the financial statements issuance date. On August 1, 2017, the Company’s Board of Directors declared a cash dividend of $0.10 per share payable on September 29, 2017 to common stockholders of record as of September 8, 2017. Dividends are declared at the discretion of the Company’s Board of Directors and depend on the Company’s actual cash flows from operations, its financial condition and capital requirements and any other factors the Company’s Board of Directors may consider relevant. Future dividend declarations, as well as the record and payment dates for such dividends, will be determined by the Company’s Board of Directors on a quarterly basis.

19. Subsequent Events

On July 5, 2017, the Company entered into an Asset Purchase Agreement with Pacific Bio-Material Management, Inc. (“PBMMI”) and Novare, LLC, a wholly owned subsidiary of PBMMI (collectively, the “Sellers”), pursuant to which the Company acquired substantially all of the assets and liabilities of the Sellers’ business related to providing storage, transportation, management, and cold chain logistics of biological materials. Total cash payment made by the Company was $34.3 million, net of cash acquired, and is subject to working capital adjustments. The acquisition is expected to expand the Company’s existing capabilities with respect to sample management and integrated cold chain storage and transportation solutions within the Brooks Life Science Systems segment. The Company expects to report the results of operations for this acquisition within the results of Brooks Life Science Systems segment starting from the acquisition date.

The Company has not presented a purchase price allocation related to fair values of assets acquired and liabilities assumed, as well as proforma information summary for its consolidated results of operations for the three and nine months ended June 30, 2017 and 2016 as if the acquisition occurred on October 1, 2015 because the initial accounting for the acquisition was incomplete on the financial statements issuance date.

On August 1, 2017, the Company’s Board of Directors declared a cash dividend of $0.10 per share payable on September 29, 2017 to common stockholders of record as of September 8, 2017. Dividends are declared at the discretion of the Company’s Board of Directors and depend on the Company’s actual cash flows from operations, its financial condition and capital requirements and any other factors the Company’s Board of Directors may consider relevant. Future dividend declarations, as well as the record and payment dates for such dividends, will be determined by the Company’s Board of Directors on a quarterly basis.