Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income Loss (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	$ (32,259)	$ 11,434
Cumulative Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	(128,400)	(95,058)
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	(45,077)	(44,394)
Unrealized Gains (Losses) on Hedging Derivatives [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	140,797	150,380
Unrealized Gains on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	$ 421	$ 506