Related Party Transactions - Additional Information (Detail) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended					3 Months Ended	12 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2014 EUR (€)	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2013 EUR (€)	Jun. 30, 2014 Neusoft [Member] USD ($)	Jun. 30, 2014 Neusoft [Member]	Jun. 30, 2014 Neusoft [Member] Innovative Systems GmbH [Member]	Jun. 30, 2014 Neusoft [Member] Software Asset Amortized [Member]
Related Party Transaction [Line Items]
Related party transactions duration of agreement, years								3 years	5 years	4 years
Amount of transactions with related party during the financial reporting period			€ 6.0
Other current asset, related party	11.9	11.9	8.7	7.7		5.8
Total expenses for engineering and software development services		28.6		41.2	32.6
Expenses paid for engineering and software development services		42.5		42.5	33.8
Joint Venture investment amount	10.0	10.0
Registered capital of Joint Venture	7.0	7.0
Investment ownership percentage in Joint Venture	60.00%	60.00%	60.00%				40.00%	40.00%
Joint venture investment funding percentage	20.00%	20.00%	20.00%
Joint venture capital portion	$ 0.8						$ 0.6