Assets Segregated for Regulatory Purposes (Narrative) (Detail) (USD $)	Jun. 30, 2013	Jun. 29, 2012
Disclosure Assets Segregated For Regulatory Purposes Narrative [Abstract]
TLGP bonds, fair value		$ 10,114,000
Cash segregated in special reserve bank accounts	164,737,000	166,185,000
Reserve deposits in special reserve bank account for PAIB		$ 0

Cash deposited in a special reserve account for the exclusive benefit of customers pursuant to SEC Regulations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-BRD

-Paragraph 80

-Subparagraph Exhibit 4-8, 3

-IssueDate 2006-05-01

-Chapter 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_CashReserveDepositRequiredAndMade
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant