Restructuring Plan - Expenses by Business Segment for Restructuring Plans (Detail) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2016	Jun. 30, 2015
Restructuring Reserve [Roll Forward]
Restructuring liability at beginning of period		$ 1,992	$ 2,143
Provisions		1,341	3,475
Cash paid		(2,306)	(3,326)
Reversals	[1]	(101)	(300)
Restructuring liability at end period		926	1,992
Severance
Restructuring Reserve [Roll Forward]
Restructuring liability at beginning of period		657	1,371
Provisions		752	1,663
Cash paid		(1,118)	(2,164)
Reversals	[1]	(101)	(213)
Restructuring liability at end period		190	657
Other Members
Restructuring Reserve [Roll Forward]
Restructuring liability at beginning of period		1,335	772
Provisions		589	1,812
Cash paid		(1,188)	(1,162)
Reversals	[1]	0	(87)
Restructuring liability at end period		$ 736	$ 1,335

[1] Reversals result from the unused outplacement services and operating costs.