Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Apr. 01, 2018	Mar. 26, 2017	Dec. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stranded tax effects reclassified, ASU 2018-02	$ 94,135
Cash flows provided by investing activities	12,141	$ (29,835)
Retained earnings	1,422,123				$ 1,310,136
Contract asset	3,200
Accounting Standards Update 2018-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stranded tax effects reclassified, ASU 2018-02	94,100
Accounting Standards Update 2017-07
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Income from production costs	100
Income from selling and general and administrative costs	$ 1,100
Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Contract asset				$ 3,500
Contract asset, current				1,300
Contract asset, noncurrent				2,200
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings				2,600
Net increase to opening retained earnings, before tax				$ 3,500
Scenario, Forecast | Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Decrease to other revenue			$ 1,300