Contingent Liabilities - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013 Location	Dec. 29, 2012	Jun. 29, 2013
Commitments and Contingencies Disclosure [Abstract]
Locations with alleged violations			1
Locations under audit			8
Reserves related to environmental matters	$ 1,100		$ 1,100		$ 1,700
Expenses related to environmental matters	$ 0	$ 541	$ 283	$ 541