Stockholders' Equity (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 28, 2020	Mar. 29, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 28, 2020	Jun. 30, 2019
Stockholders Equity Note [Abstract]
Shares remaining authorized for repurchase (in shares)	2,700,000				2,700,000
Stock repurchased (in shares)					900,000	1,000,000.0
Cost of stock repurchased	$ 7,500	$ 15,008	$ 16,980	$ 15,000	$ 22,500	$ 32,000
RSU withholdings (in shares)					149,000	168,000
RSU withholdings					$ 3,607	$ 5,658