XML 52 R41.htm IDEA: XBRL DOCUMENT v3.10.0.1
Revenue from Contracts with Customers - Additional Information (Details)
9 Months Ended
Sep. 29, 2018
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-10-01 | Minimum | Systems and Systems Integration  
Disaggregation of Revenue [Line Items]  
Expected timing of satisfaction, period 1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-10-01 | Maximum | Systems and Systems Integration  
Disaggregation of Revenue [Line Items]  
Expected timing of satisfaction, period 2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)  
Disaggregation of Revenue [Line Items]  
Expected timing of satisfaction, period