Intangible Assets - Additional Information (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Feb. 28, 2018 USD ($) product	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)
Intangible Assets
Loss on sale of intangible asset		$ (15,514)		$ (15,514)
Intangible asset, carrying value at the time of sale		15,800		15,800
Intangible assets, net		420,582		420,582		$ 453,861
Amortization expense		$ 8,300	$ 8,100	$ 24,600	$ 25,500
Other product rights | UCB
Intangible Assets
Intangible assets, net	$ 5,000
Number of products acquired | product	5