Fair Value Measurements - Fair Value Hierarchy for Assets and Liabilities Measured on Recurring Basis (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Contingent Consideration [Member]
Assets/(Liabilities)
Total Gains (Losses)	$ (3,746)	$ (457)	$ (15,332)	$ (914)
Fair Value, Inputs, Level 1 [Member]
Assets/(Liabilities)
Available-for-sale securities	55,907		55,907		$ 54,447
Pension assets	2,927		2,927		3,090
Net asset/(liability)	58,834		58,834		57,537
Fair Value, Inputs, Level 2 [Member]
Assets/(Liabilities)
Foreign exchange contracts	154,478		154,478		139,259
Net asset/(liability)	154,478		154,478		139,259
Fair Value, Inputs, Level 3 [Member]
Assets/(Liabilities)
Available-for-sale securities	15,000		15,000
Contingent consideration	(63,806)		(63,806)		(50,727)
Net asset/(liability)	$ (48,806)		$ (48,806)		$ (50,727)