Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Apr. 01, 2022	Dec. 31, 2021
Statement Of Financial Position [Abstract]
Accounts receivable and unbilled revenue, allowance	$ 3,925	$ 2,702
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	1,250,000	1,250,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	125,000,000	125,000,000
Common stock, shares issued	60,004,457	59,631,003
Treasury stock, at cost, shares	28,388,144	28,357,145