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Accounts Receivable
3 Months Ended
Apr. 01, 2017
Receivables [Abstract]  
Accounts Receivable
3.
ACCOUNTS RECEIVABLE: An allowance for doubtful accounts is maintained for estimated losses resulting from the inability of our customers to make required payments. Accounts receivable are stated net of an allowance for doubtful accounts of $46.1 million at April 1, 2017 ($45.9 million at December 31, 2016).