Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Net revenue	$ 543.9	$ 442.2
Cost of sales	403.8	318.1
Gross margin	140.1	124.1
Selling, general and administrative expenses	107.0	98.2
Asset Impairment Charges And Gain Loss On Sale Of Assets	0.0	0.0
Restructuring, Settlement and Impairment Provisions	1.2	1.1
Operating earnings	31.9	24.8
Interest expense, net	24.3	22.1
Nonoperating (Income) Expense	5.7	(2.1)
Earnings from continuing operations, before income taxes	1.9	4.8
Income tax expense	(1.9)	0.2
Net earnings	3.8	4.6
Net earnings attributable to Catalent	$ 3.8	$ 4.6
Earnings Per Share, Basic	$ 0.03	$ 0.04
Earnings Per Share, Diluted	$ 0.03	$ 0.04