Organization and Significant Accounting Policies - Customers as Percentage of Total Revenues (Detail) - Sales [Member] - Customer Concentration Risk [Member]	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 24, 2021	Sep. 30, 2022	Sep. 24, 2021
Lam Research Corporation [Member]
Concentration Risk [Line Items]
Total	40.00%	42.30%	39.40%	40.80%
Applied Materials, Inc. [Member]
Concentration Risk [Line Items]
Total	24.20%	24.30%	23.40%	23.40%
Total Customer
Concentration Risk [Line Items]
Total	64.20%	66.60%	62.80%	64.20%