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Product Warranty Reserves
 3 Months Ended
Mar. 31, 2018
Product Warranties Disclosures [Abstract]  
Product Warranty Reserves
PRODUCT WARRANTY RESERVES

The Company generally provides product warranties related to manufacturing defects and specific performance standards for its products. Product warranty reserves are included in accrued expenses in the Company's Consolidated Condensed Financial Statements. The following is a summary of the Company's product warranty activity:
 
Three Months Ended
 
March 31,
2018
 
April 1,
2017
 
 
 
(As adjusted)
Product warranty reserve at beginning of period
$
1,356

 
$
1,439

Warranty liabilities accrued
614

 
404

Warranty liabilities settled
(691
)
 
(416
)
Changes for pre-existing warranty liabilities
(31
)
 
(70
)
Product warranty reserve at end of period
$
1,248

 
$
1,357