Retirement Plans (Narrative) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Compensation And Retirement Disclosure [Abstract]
Provision for defined contribution plans	$ 1,474	$ 1,725	$ 1,698
Accrued pension liability	700	1,232
Net periodic pension costs, principally of interest cost and service cost	80	73	51
Actuarial present value of benefit obligations, assumed weighted average discount rate	3.00%	3.40%	4.10%
Actuarial present value of benefit obligations, assumed compensation increase rate	0.00%	1.70%	1.50%
Liability under the deferred compensation plans, total	3,068	3,410
Liability under the deferred compensation plans, long-term	2,816	2,654
Liability under the deferred compensation plans, current	252	756
Deferred compensation plan assets	$ 2,703	$ 2,880