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Revenues (Changes in Contract Assets and Liabilities under Topic 606) (Details) $ in Thousands | 12 Months Ended
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Dec. 28, 2018 USD ($)
Contract Assets - Current Portion |
Increases as a result of a change in transaction price and recognition of revenues as services are performed | $ 37,881
Transfer to receivables from contract assets recognized at the beginning of the period | (46,052)
Other | (1,417)
Balance | 0
Contract Assets - Long-term Portion |
Increases as a result of a change in transaction price and recognition of revenues as services are performed | 4,545
Other | (16,792)
Balance | 0
Contract Liabilities - Current Portion |
Balance | 31,984
Increases as a result of the deferral of milestones achieved in period, excluding amounts recognized as revenue | 1,718
Revenue recognized that was included in the contract liability balance at the beginning of the period | (8,683)
Other | (1,428)
Balance | 0
Contract Liabilities - Long-term Portion |
Balance | 238,520
Increases as a result of the deferral of milestones achieved in period, excluding amounts recognized as revenue | 7,237
Revenue recognized that was included in the contract liability balance at the beginning of the period | 0
Other | (16,781)
Balance | 15,897
Revenues recognized for performance obligations satisfied in previous periods | 198,100
Balances Without the Adoption of Topic 606 |
Contract Assets - Current Portion |
Balance | 0
Contract Assets - Long-term Portion |
Balance | 0
Contract Liabilities - Current Portion |
Balance | 31,984
Contract Liabilities - Long-term Portion |
Balance | $ 238,520

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