CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - 3 months ended Sep. 30, 2016 - USD ($) shares in Thousands, $ in Thousands	Stockholders' Equity Attributable to Lannett Co., Inc.	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interest	Total
Balance at Jun. 30, 2016	$ 554,049	$ 37	$ 283,301	$ 278,355	$ (295)	$ (7,349)	$ 408	$ 554,457
Balance (in shares) at Jun. 30, 2016		37,150
Increase (Decrease) in Shareholders' Equity
Shares issued in connection with share-based compensation plans	1,355		1,355					1,355
Shares issued in connection with share-based compensation plans (in shares)		257
Share-based compensation	2,456		2,456					2,456
Excess tax benefits on share-based compensation awards	644		644					644
Purchase of treasury stock	(1,798)					(1,798)		(1,798)
Other comprehensive loss, net of tax	(3)				(3)			(3)
Net income (loss)	(29,408)			(29,408)			20	(29,388)
Balance at Sep. 30, 2016	$ 527,295	$ 37	$ 287,756	$ 248,947	$ (298)	$ (9,147)	$ 428	$ 527,723
Balance (in shares) at Sep. 30, 2016		37,407