Expenses Related to Reduction in Workforce - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 29, 2012 Employee	Jun. 29, 2012 Employee
Expenses Related to Reduction in Workforce [Line Items]
Expenses incurred for severance cost and benefits	$ 1,978	$ 1,978
Termination of employees	170	170