Revenue Recognition (Expected Revenue Recognition) (Details) - USD ($) $ in Thousands	Mar. 29, 2020	Jan. 01, 2020	Dec. 31, 2019	Mar. 31, 2019
Revenue from Contract with Customer [Abstract]
Deferred revenue	$ 30,381	$ 151,400	$ 151,377	$ 151,336
Other Non-Current Deferred Revenue	164,137		$ 9,401	$ 9,767
Total Deferred Revenue	$ 194,518
Term of contract	25 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Revenue from Contract with Customer [Abstract]
Remaining performance obligation, amount	$ 155,435
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction, period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01
Revenue from Contract with Customer [Abstract]
Remaining performance obligation, amount	$ 8,702
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Expected timing of satisfaction, period	1 year