Goodwill and Intangible Assets - Goodwill Impairment Test (Details) - Brooks Life Sciences $ in Thousands		12 Months Ended
Apr. 01, 2019 segment	Sep. 30, 2019 USD ($)
Goodwill [Line Items]
Goodwill impairment \| $		$ 0
Number of reporting units for which quantitative assessment was conducted \| segment	2

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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