Restructuring Plan - Expenses by Business Segment for Restructuring Plans (Detail) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Restructuring Reserve [Roll Forward]
Restructuring liability at beginning of period		$ 2,143	$ 720
Provisions		3,175	5,443	$ 7,060
Cash paid		(3,326)	(4,020)
Reversals	[1]	(300)	(85)
Restructuring liability at end period		1,992	2,143	720
Severance
Restructuring Reserve [Roll Forward]
Restructuring liability at beginning of period		1,371	434
Cash paid		(2,164)	(3,054)
Reversals	[1]	(213)	(25)
Restructuring liability at end period		657	1,371	434
Other Members
Restructuring Reserve [Roll Forward]
Restructuring liability at beginning of period		772	286
Cash paid		(1,162)	(966)
Reversals	[1]	(87)	(60)
Restructuring liability at end period		1,335	772	$ 286
MCE
Restructuring Reserve [Roll Forward]
Provisions		3,426	5,473
MCE | Severance
Restructuring Reserve [Roll Forward]
Provisions		1,614	3,961
MCE | Other Members
Restructuring Reserve [Roll Forward]
Provisions		1,812	1,512
MDS
Restructuring Reserve [Roll Forward]
Provisions		49	55
MDS | Severance
Restructuring Reserve [Roll Forward]
Provisions		49	55
MDS | Other Members
Restructuring Reserve [Roll Forward]
Provisions		$ 0	$ 0

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