General - Schedule of Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2024	Sep. 28, 2023	Sep. 26, 2024	Sep. 28, 2023
Numerator:
Net earnings (loss)	$ 23,314	$ 12,234	$ (8,773)	$ 16,234
Denominator
Denominator for basic EPS (in shares)	31,953	31,691	32,002	31,645
Effect of dilutive employee stock options (in shares)	17	41	0	48
Effect of restricted stock units (in shares)	47	0	0	0
Effect of convertible senior notes (in shares)	14	9,242	0	9,242
Diluted weighted-average shares outstanding (in shares)	32,031	40,974	32,002	40,935
Weighted-average number of anti-dilutive shares excluded from denominator (in thousands):
Weighted-average number of anti-dilutive shares excluded from denominator (in shares)	2,939	2,965	3,013	2,965
Employee stock options
Weighted-average number of anti-dilutive shares excluded from denominator (in thousands):
Weighted-average number of anti-dilutive shares excluded from denominator (in shares)	2,800	2,965	2,809	2,965
Restricted stock units
Weighted-average number of anti-dilutive shares excluded from denominator (in thousands):
Weighted-average number of anti-dilutive shares excluded from denominator (in shares)	0	0	49	0
Performance stock units
Weighted-average number of anti-dilutive shares excluded from denominator (in thousands):
Weighted-average number of anti-dilutive shares excluded from denominator (in shares)	139	0	141	0
Convertible senior notes
Weighted-average number of anti-dilutive shares excluded from denominator (in thousands):
Weighted-average number of anti-dilutive shares excluded from denominator (in shares)	0	0	14	0
Common Stock
Net earnings (loss) per share - basic:
Net earnings (loss) per share - basic (in dollars per share)	$ 0.74	$ 0.39	$ (0.28)	$ 0.52
Net earnings (loss) per share - diluted:
Net earnings (loss) per share - diluted (in dollars per share)	0.73	0.32	(0.28)	0.46
Class B Common Stock
Net earnings (loss) per share - basic:
Net earnings (loss) per share - basic (in dollars per share)	0.69	0.36	(0.26)	0.48
Net earnings (loss) per share - diluted:
Net earnings (loss) per share - diluted (in dollars per share)	$ 0.69	$ 0.31	$ (0.26)	$ 0.46