Contingent Liabilities - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended
Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012	Jun. 30, 2012
Commitments and Contingencies Disclosure [Abstract]
Reserves related to environmental matters	$ 1,000,000		$ 1,000,000		$ 1,200,000
Environmental Remediation Income	200,000
Expenses related to environmental matters		$ 0	$ 100,000	$ 0

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References+ Details

The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

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+ Details