Goodwill and Intangible Assets - Info (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended			12 Months Ended
	Aug. 31, 2019	Jul. 31, 2019	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Finite-Lived Intangible Assets
Amortization expense						$ 32,000	$ 32,200	$ 32,700
Finite-lived intangible assets			$ 365,735			365,735	374,780
Purchases of intangible assets						28,800	3,000	$ 19,038
Methylphenidate Hydrochloride
Finite-Lived Intangible Assets
Intangible assets impairment				$ 14,000
Finite-lived intangible assets			2,100			2,100
Other product rights
Finite-Lived Intangible Assets
Finite-lived intangible assets			45,292			45,292	$ 34,493
Purchases of intangible assets					$ 3,000
Upfront payment	$ 2,000	$ 20,000
Amount Agreed to Pay on Commercial sale	$ 1,500
KUPI
Finite-Lived Intangible Assets
Impairment charge related to intangible assets			9,000
Silarx
Finite-Lived Intangible Assets
Impairment charge related to intangible assets			$ 8,000
Reclassified intangible assets						$ 10,000