Transfer of Ownership of Manufacturing Facility - Additional Information (Detail) € in Millions, $ in Millions	12 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2015 EUR (€)	Jun. 30, 2014 USD ($)	Jun. 30, 2014 EUR (€)	Jun. 30, 2013 USD ($)	Jun. 30, 2013 EUR (€)	Apr. 10, 2013 USD ($)	Apr. 10, 2013 EUR (€)
Transfer Of Ownership Of Manufacturing Facility [Abstract]
Consideration obligations as per agreement							$ 53.5	€ 41.1
Bonus payable as per agreement							$ 4.3	€ 4.0
Accelerated depreciation	$ 5.0	€ 4.1	$ 5.6	€ 4.1	$ 1.3	€ 1.0