Leases - Components of lease expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 30, 2023	Sep. 24, 2022
Operating lease cost:
Total operating lease cost	$ 8,848	$ 1,202	$ 16,227	$ 3,601
Total finance lease cost	237	198	631	593
Total lease cost	9,153	1,481	17,035	4,371
Cost of sales and Selling, general and administrative
Operating lease cost:
Lease cost	809	823	2,430	2,502
Variable lease cost	8,039	379	13,797	1,099
Short term lease cost	68	81	177	177
Amortization of right-of-use assets	78	66	208	196
Interest expense, net
Operating lease cost:
Interest on lease liabilities	$ 159	$ 132	$ 423	$ 397
Minimum
Leases
Lease term	2 years		2 years
Maximum
Leases
Lease term	10 years		10 years
Equipment
Leases
Lease term	5 years		5 years
Manufacturing facilities and office space
Leases
Lessor, Operating Lease, Existence of Option to Extend [true false]			true
Manufacturing facilities and office space | Minimum
Leases
Lease term	2 years		2 years
Manufacturing facilities and office space | Maximum
Leases
Lease term	30 years		30 years