Revenue Recognition - Schedule of Deferred Contract Assets and Deferred Contract Liabilities (Details) - USD ($) $ in Thousands	Mar. 30, 2019	Dec. 29, 2018
Disaggregation Of Revenue [Line Items]
Deferred Contract Assets	$ 52,171	$ 50,009
Deferred Contract Liabilities	76,067	74,589
Other Current Assets
Disaggregation Of Revenue [Line Items]
Deferred Contract Assets	21,342	20,553
Other Non-current Assets
Disaggregation Of Revenue [Line Items]
Deferred Contract Assets	30,829	29,456
Other Current Liabilities
Disaggregation Of Revenue [Line Items]
Deferred Contract Liabilities	33,023	32,395
Other Non-current Liabilities
Disaggregation Of Revenue [Line Items]
Deferred Contract Liabilities	$ 43,044	$ 42,194