Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income Loss (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Jun. 30, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	$ (33,811)	$ 11,434
Cumulative Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	(148,305)	(95,058)
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	(43,059)	(44,394)
Unrealized Gains on Hedging Derivatives [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	157,098	150,380
Unrealized Gains (Losses) on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income	$ 455	$ 506