Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 26, 2021	Jun. 27, 2020	Jun. 26, 2021	Jun. 27, 2020
Net income	$ 92,294	$ 24,254	$ 169,534	$ 65,149
Other comprehensive income (loss):
Unrealized holding (losses) gains on available-for-sale investments, net of tax (benefit) expense of ($243), $338, ($96) and $770	(349)	2,816	(883)	1,237
Foreign currency translation gains (losses)	1,450	1,732	1,030	(6,170)
Other comprehensive income (loss)	1,101	4,548	147	(4,933)
Comprehensive income	$ 93,395	$ 28,802	$ 169,681	$ 60,216