Severance Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 29, 2012	Jun. 24, 2011
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
At the beginning of the fiscal year	$ 4,478	$ 3,456
Charged to statement of operations	(58)	1,022
At the end of the fiscal year (June)	$ 4,420	$ 4,478