Regulatory Capital Requirements (Schedule Of Net Capital Position Of Southwest Securities) (Detail) (Southwest Securities [Member], USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 29, 2012
Southwest Securities [Member]
Net Capital Requirement [Line Items]
Net capital	$ 141,112	$ 150,328
Less: required net capital	6,843	6,693
Excess net capital	134,269	143,635
Net capital as a percent of aggregate debit items	41.20%	44.90%
Net capital in excess of 5% aggregate debit items	$ 124,005	$ 133,595