Retirement Benefits - Reconciliation of Benefit Obligations, Plan Assets and Funded Status Recognized in Consolidated Balance Sheets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Compensation And Retirement Disclosure [Abstract]
Benefit obligation at beginning of year	$ 183,372	$ 183,249
Benefit obligation of plans not previously reported	5,075	0
Service cost	2,507	2,169	1,635
Interest cost	7,201	7,085	8,106
Actuarial loss	11,066	2,530
Effects of settlements and curtailments	(2,801)	(3,805)
Plan amendments	(613)	0
Benefits paid	(8,414)	(9,125)
Foreign currency translation	5,500	1,269
Benefit obligation at end of year	202,893	183,372	183,249
Fair value of assets at beginning of year	6,801	7,011
Actual return on plan assets	114	(170)
Employer contributions	10,018	12,900
Benefits paid	(8,414)	(9,125)
Settlement	(2,676)	(3,593)
Foreign currency translation	798	(222)
Fair value of assets at end of year	6,641	6,801	7,011
Funded status	(196,252)	(176,571)
Unrecognized prior service cost	4,978	6,463
Unrecognized net loss	57,430	48,279
Accrued pension cost	(133,844)	(121,829)
Non-current assets	0	0
Accrued liabilities	(9,900)	(8,884)
Other non-current liabilities	(186,352)	(167,687)
AOCI	62,408	54,742
Accrued pension cost	$ (133,844)	$ (121,829)