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Revenue - Remaining Performance Obligation (Details)
$ in Millions
Sep. 29, 2018
USD ($)
Revenue from Contract with Customer [Abstract]  
Remaining performance obligation $ 236.1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-09-30  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation, percentage 94.00%
Remaining performance obligation, period 12 months