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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 26, 2011
Summary of Significant Accounting Polices  
Schedule of Movement of Warranty Reserves
Six months ended
June 26,
2011
Balance at beginning of year
$   6,170
Accruals for warranties issued
3,132
Settlements made
(3,343)
Foreign currency translation adjustment
213
Balance at end of period
$   6,172