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Commitments and Contingencies
 3 Months Ended
Sep. 23, 2012
Commitments and Contingencies Disclosure [Abstract]  
Commitments and Contingencies
Commitments and Contingencies
Warranties
The following table summarizes the changes in the Company's product warranty liabilities (in thousands):
Balance at June 24, 2012
$
5,513

Warranties accrued in current period
626

Changes in estimates for pre-existing warranties
549

Expenditures
(707
)
Balance at September 23, 2012
$
5,981


Product warranties are estimated and recognized at the time the Company recognizes revenue. The warranty periods range from ninety days to ten years. The Company estimates these warranty liabilities as a percentage of revenue, based on historical knowledge of warranty costs and expected future warranty costs. The Company evaluates its warranty reserve on a quarterly basis. If actual product failure rates materially differ from the Company's estimates, revisions to the estimated warranty liability are recognized in the period in which they are determined.

Litigation
The Company is a party to various legal proceedings, including those described in the Company's Annual Report on Form 10-K for fiscal 2012 as updated below for any material changes. Unless otherwise indicated, the potential losses for claims against the Company in these matters are not reasonably estimable.
Cooper Lighting Litigation
In addition to the previously disclosed litigation with Cooper Lighting, Cooper Lighting, LLC filed a complaint for patent infringement against Cree, Inc. and Ruud Lighting, Inc. in the U.S. District Court for the Northern District of Georgia on September 7, 2012. The complaint seeks injunctive relief and damages for infringement of one U.S. patent owned by Cooper Lighting, LLC: No. 8,210,722, entitled "LED Device for Wide Beam Generation."