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Revenue Recognition - Remaining Unsatisfied Performance Obligations (Details)
$ in Thousands
Dec. 30, 2018
USD ($)
Revenue from Contract with Customer [Abstract]  
Reaming unsatisfied performance obligation $ 2,772,271
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-12-31  
Revenue from Contract with Customer [Abstract]  
Reaming unsatisfied performance obligation $ 1,670,929
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining unsatisfied performance obligation, expected timing of satisfaction
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-12-31  
Revenue from Contract with Customer [Abstract]  
Reaming unsatisfied performance obligation $ 1,101,342