Segment Information - Total Assets for Each Segment and Reconciling in Consolidated Financial Statements (Detail) - USD ($) $ in Millions	Mar. 31, 2016	Jun. 30, 2015
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 3,057.7	$ 3,138.3
Oral Technologies [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	2,493.8	2,477.3
Medication Delivery Solutions [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	257.2	247.8
Development and Clinical Services [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	720.9	703.2
Corporate and Eliminations [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ (414.2)	$ (290.0)