Transfer of Ownership of Manufacturing Facility - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2014 EUR (€)	Dec. 31, 2013 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2014 EUR (€)	Dec. 31, 2013 USD ($)	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							5.2	4.0
Previously accrued indemnification payments	15.9	12.7		15.9	12.7
Expected accrued indemnification payments over the next year				4.8	4.0
Accelerated depreciation	$ 1.4		$ 1.4	$ 2.7		$ 2.7