Revenue (Schedule of Remaining Performance Obligations) (Details) $ in Thousands	Sep. 29, 2019 USD ($)
Revenue from Contract with Customer [Abstract]
Performance obligations, amount	$ 60,457
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-09-29
Revenue from Contract with Customer [Abstract]
Performance obligations, amount	$ 58,528
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligations, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-09-29
Revenue from Contract with Customer [Abstract]
Performance obligations, amount	$ 921
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligations, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-09-29
Revenue from Contract with Customer [Abstract]
Performance obligations, amount	$ 1,008
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Performance obligations, period