Business Segments - Additional Information (Detail)	3 Months Ended
Sep. 30, 2013 Segment
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments	4
Scenario, Previously Reported [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments	2
Number of geographic regions	2

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration