Segment Information - Total Assets for Each Segment and Reconciling in Consolidated Financial Statements (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Jun. 30, 2016
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 3,154.3	$ 3,091.1
Softgel Technologies [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,292.9	1,446.4
Drug Delivery Solutions [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,574.9	1,475.7
Clinical Supply Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	538.3	578.9
Corporate and Eliminations [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ (251.8)	$ (409.9)