v3.26.1
Net Earnings (Loss) Per Share - Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jul. 03, 2026
Apr. 03, 2026
Jul. 04, 2025
Apr. 04, 2025
Jul. 03, 2026
Jul. 04, 2025
Earnings Per Share [Abstract]            
Net income (loss) attributable to FOX stockholders $ 4,053 $ (14,996) $ 2,744 $ (259,694) $ (10,943) $ (256,950)
Weighted average shares used to compute basic earnings per share (in shares) 42,005,000   41,788,000   41,933,000 41,749,000
Dilutive effect of employee stock plans (in shares) 270,000   78,000   0 0
Weighted average shares used to compute diluted earnings per share (in shares) 42,275,000   41,866,000   41,933,000 41,749,000
Basic (in dollars per share) $ 0.10   $ 0.07   $ (0.26) $ (6.15)
Diluted (in dollars per share) $ 0.10   $ 0.07   $ (0.26) $ (6.15)
Anti-dilutive shares excluded from calculation of diluted earnings per share (in shares) 288,000   241,000