Restructuring Plan - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015	Jun. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Current	$ 1,295		$ 1,295		$ 1,992
Restructuring expenses	$ 409	$ 27	$ 968	$ 2,457