Concentration of Credit and Other Risks (Details) - Customer Concentration Risk	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 25, 2021	Sep. 26, 2020	Sep. 25, 2021	Sep. 26, 2020	Dec. 26, 2020
Revenue from Contract with Customer Benchmark | Intel Corporation
Concentration Risk [Line Items]
Concentration risk percentage	20.80%	25.60%	21.70%	32.40%
Revenue from Contract with Customer Benchmark | Samsung Electronics., LTD.
Concentration Risk [Line Items]
Concentration risk percentage	12.90%	10.60%	10.50%
Revenue from Contract with Customer Benchmark | Taiwan Semiconductor Manufacturing Co., LTD.
Concentration Risk [Line Items]
Concentration risk percentage		10.60%
Revenue from Contract with Customer Benchmark | Micron Technology, Inc.
Concentration Risk [Line Items]
Concentration risk percentage		10.10%
Revenue from Contract with Customer Benchmark | Customers Representing 10% or More of Total Revenues
Concentration Risk [Line Items]
Concentration risk percentage	33.70%	56.90%	32.20%	32.40%
Accounts Receivable | Major Customer 1
Concentration Risk [Line Items]
Concentration risk percentage			19.30%		15.30%
Accounts Receivable | Major Customer 2
Concentration Risk [Line Items]
Concentration risk percentage					13.70%