Fair Value Measurements - Fair Value Hierarchy for Assets and Liabilities Measured on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Sep. 30, 2013	Jun. 30, 2013
Fair Value, Inputs, Level 1 [Member]
Assets/(Liabilities)
Short-term investments	$ 0	$ 10,008
Available-for-sale securities	2,164	2,149
Foreign exchange contracts	0	0
Interest rate swap	0	0
Pension assets	7,143	6,801
Contingent consideration	0	0
Net asset/(liability)	9,307	18,958
Fair Value, Inputs, Level 2 [Member]
Assets/(Liabilities)
Short-term investments	0	0
Available-for-sale securities	0	0
Foreign exchange contracts	(5,836)	12,872
Interest rate swap	0	(320)
Pension assets	0	0
Contingent consideration	0	0
Net asset/(liability)	(5,836)	12,552
Fair Value, Inputs, Level 3 [Member]
Assets/(Liabilities)
Short-term investments	0	0
Available-for-sale securities	0	0
Foreign exchange contracts	0	0
Interest rate swap	0	0
Pension assets	0	0
Contingent consideration	(278)	(228)
Net asset/(liability)	$ (278)	$ (228)