Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income Loss (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive income	$ (90,168)	$ (77,241)
Cumulative Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive income	(118,627)	(122,018)
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive income	(57,980)	(58,445)
Unrealized Gains on Hedging Derivatives [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive income	86,092	103,891
Unrealized Gains (Losses) on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive income	$ 347	$ (669)