Property Plant and Equipment Net - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 29, 2012	Jun. 24, 2011	Jun. 25, 2010	Dec. 30, 2011
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 9,339	$ 8,696	$ 7,705
Property, plant and equipment impairment reserve	2,525			2,525
Property, plant and equipment written-off, fully depreciated cost	4,178	1,514	855
Capitalized interest expense related to long-term loan	$ 504	$ 2