Expenses by Business Segment for Restructuring Plans (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013		Jun. 30, 2012	Jun. 30, 2011
Component of Operating Other Cost and Expense [Line Items]
Restructuring liability at beginning of period	$ 2,698
Provisions	7,056		2,821	0
Cash paid	(7,925)		(123)
Non-cash	(1,109)
Reversals ()	(457)	[1]
Restructuring liability at end period	720		2,698
Severance
Component of Operating Other Cost and Expense [Line Items]
Restructuring liability at beginning of period	2,513
Provisions			2,515
Cash paid	(7,561)		(2)
Non-cash	0
Reversals ()	(457)	[1]
Restructuring liability at end period	434		2,513
Other Members
Component of Operating Other Cost and Expense [Line Items]
Restructuring liability at beginning of period	185
Provisions			306
Cash paid	(364)		(121)
Non-cash	(1,109)
Reversals ()	0	[1]
Restructuring liability at end period	286		185
MCE
Component of Operating Other Cost and Expense [Line Items]
Provisions	7,513		2,712
MCE | Severance
Component of Operating Other Cost and Expense [Line Items]
Provisions	5,939		2,406
MCE | Other Members
Component of Operating Other Cost and Expense [Line Items]
Provisions	1,574		306
MDIS
Component of Operating Other Cost and Expense [Line Items]
Provisions			109
MDIS | Severance
Component of Operating Other Cost and Expense [Line Items]
Provisions			109
MDIS | Other Members
Component of Operating Other Cost and Expense [Line Items]
Provisions			$ 0

[1] Reversals result from the finalization of severance agreements and unused outplacement services.