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Segment and Related Information - Segment Revenue and Operating Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Revenues	$ 145.2	$ 186.3
Depreciation and amortization	17.7	18.2
Segment operating income (loss)	(39.6)	(20.9)
Diagnostics
Segment Reporting Information [Line Items]
Revenues	130.5	170.4
Depreciation and amortization	16.7	16.9
Segment operating income (loss)	(0.3)	17.3
Other
Segment Reporting Information [Line Items]
Revenues	14.7	15.9
Depreciation and amortization	1.0	1.3
Segment operating income (loss)	$ (39.3)	$ (38.2)

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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