Segment Information - Net Revenue and Segment Ebitda (Detail) - USD ($) $ in Millions		3 Months Ended
		Sep. 30, 2017	Sep. 30, 2016
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue		$ 543.9	$ 442.2
Segment EBITDA		65.2	62.7
Inter-segment revenue elimination		(11.3)	(10.5)
Unallocated Costs	[1]	(34.0)	(20.3)
Equity compensation		(7.0)	(6.9)
Restructuring and other special items	[2]	(12.3)	(5.9)
Other income (expense), net	[3]	(5.7)	2.1
Non-allocated corporate costs, net		(9.0)	(9.6)
Total unallocated costs	[1]	(34.0)	(20.3)
Softgel Technologies [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue		219.7	186.4
Segment EBITDA		35.1	30.5
Drug Delivery Solutions [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue		225.8	191.3
Segment EBITDA		47.4	42.0
Clinical Supply Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenue		109.7	75.0
Segment EBITDA		$ 16.7	$ 10.5

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