Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Financial Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details)

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Fair Value - Financial Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details)
$ in Thousands
3 Months Ended
Oct. 04, 2019
Mar. 28, 2020
USD ($)
reporting_unit
Mar. 30, 2019
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Number of reporting units impaired | reporting_unit   4  
Impairment Loss   $ 73,704  
Right-of-Use Asset Impairment   691 $ 0
AeroSat      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Right-of-Use Asset Impairment   $ 700  
Diagnosys      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Achievement period 3 years