XML 201 R44.htm IDEA: XBRL DOCUMENT v3.21.2
REVENUE RECOGNITION - Contract Balances (Details)
$ in Thousands
6 Months Ended
Jun. 27, 2021
USD ($)
Movement in Contract with Customer, Liability [Roll Forward]  
Balance, beginning of period $ 65,918
Revenue recognized (54,875)
Cash received, excluding amounts recognized as revenue during the period 25,232
Balance, end of period $ 36,275