Goodwill - Additional Information (Detail)	12 Months Ended
Jun. 30, 2015 component
MCE
Goodwill [Line Items]
Number of components within operating segment	4

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_GoodwillLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration