Acquisitions - Results of Operations (Details) - USD ($) $ in Millions	3 Months Ended		5 Months Ended	6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2019	Mar. 31, 2018
Business Acquisition, Pro Forma Information [Abstract]
Amortization of acquired intangible assets				$ 17.2	$ 11.1
GENEWIZ
Business Acquisition, Pro Forma Information [Abstract]
Actual revenues	$ 32.8		$ 49.3
Actual net income (loss)	0.3		0.5
Amortization of acquired intangible assets	3.2		$ 4.8
Tec-Sem Group AG
Business Acquisition, Pro Forma Information [Abstract]
Actual revenues	5.7			15.1
Actual net income (loss)	0.9			2.6
Inventory step up				0.2
Amortization of acquired intangible assets	0.9			1.8
4titude Limited
Business Acquisition, Pro Forma Information [Abstract]
Actual revenues	4.7	$ 4.3		8.5	7.8
Actual net income (loss)	0.3	(0.1)		0.4	(1.2)
Inventory step up					1.2
Amortization of acquired intangible assets	$ 0.9	$ 1.0		$ 1.9	$ 2.1