Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 25, 2019	Sep. 26, 2018	Sep. 25, 2019	Sep. 26, 2018
Earnings Per Share [Abstract]
Net income	$ 49,122	$ 10,805	$ 98,851	$ 32,190
Weighted average shares outstanding - basic (in shares)	59,430	63,246	60,457	63,774
Effect of dilutive share-based compensation awards (in shares)	1,759	2,276	1,913	2,348
Weighted average shares outstanding - diluted (in shares)	61,189	65,522	62,370	66,122
Basic net income per share (in dollars per share)	$ 0.83	$ 0.17	$ 1.64	$ 0.50
Diluted net income per share (in dollars per share)	$ 0.80	$ 0.16	$ 1.58	$ 0.49
Antidilutive share-based compensation awards (in shares)	274	0	226	471