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REVENUE AND CONTRACT LIABILITIES (Tables)
 9 Months Ended
Jun. 29, 2019
Revenue from Contract with Customer [Abstract]  
Contract Liabilities
The following table shows the changes in contract liability balances during the three and nine months ended June 29, 2019:
 
 
Three months ended
 
Nine months ended
(in thousands)
 
June 29, 2019
 
June 29, 2019
Contract liabilities, beginning of period
 
$
581

 
$
997

Revenue recognized
 
(1,392
)
 
(6,909
)
Additions
 
1,806

 
6,907

Contract liabilities, end of period
 
$
995

 
$
995