Basis of Presentation - Revision od Prior Period Financial Statements (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue	$ 203,880	$ 179,368	$ 172,363	$ 581,637	$ 471,914
Total cost of revenue	120,370	107,287	105,548	345,531	288,453
Misclassification related to presentation of product and service revenue | Previously Reported
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue		179,368
Total cost of revenue		107,287
Brooks Life Sciences
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue	87,840	66,661	49,703	240,013	145,685
Brooks Life Sciences | Misclassification related to presentation of product and service revenue | Previously Reported
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue		66,661
Products
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue	128,397	125,375	135,278	381,827	362,082
Total cost of revenue	77,203	74,574	82,340	229,580	216,504
Products | Misclassification related to presentation of product and service revenue | Previously Reported
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue		141,732
Total cost of revenue		83,481
Products | Misclassification related to presentation of product and service revenue | Restatement Adjustment
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue		(16,357)
Total cost of revenue		(8,907)
Products | Brooks Life Sciences
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue	22,954	23,574	23,438	72,388	68,886
Products | Brooks Life Sciences | Misclassification related to presentation of product and service revenue | Previously Reported
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue		39,931
Products | Brooks Life Sciences | Misclassification related to presentation of product and service revenue | Restatement Adjustment
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue		(16,357)
Services
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue	75,483	53,993	37,085	199,810	109,832
Total cost of revenue	43,167	32,713	23,208	115,951	71,949
Services | Misclassification related to presentation of product and service revenue | Previously Reported
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue		37,636
Total cost of revenue		23,806
Services | Misclassification related to presentation of product and service revenue | Restatement Adjustment
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue		16,357
Total cost of revenue		8,907
Services | Brooks Life Sciences
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue	$ 64,886	43,087	$ 26,265	$ 167,625	$ 76,799
Services | Brooks Life Sciences | Misclassification related to presentation of product and service revenue | Previously Reported
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue		26,730
Services | Brooks Life Sciences | Misclassification related to presentation of product and service revenue | Restatement Adjustment
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Total revenue		$ 16,357