Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 27, 2025	Dec. 27, 2024
Statement of Financial Position [Abstract]
Accounts receivable and unbilled revenue, allowance	$ 2,372	$ 2,377
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	61,430,864	61,031,629
Treasury stock, at cost, shares	33,922,548	33,540,472