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Revenues (Tables)
3 Months Ended
Mar. 29, 2025
Revenues [Abstract]  
Disaggregation of Revenue
The following table provides information about disaggregated net sales by customer category:
Three months ended
(In millions)March 29, 2025March 30, 2024
Semiconductor:
Fabs$473.1 $445.9 
Equipment and Engineering112.9 114.2 
Chemical and Materials78.1 78.8 
Semi Distributor and Other70.0 61.7 
Non-Semi39.1 70.4 
Total net sales$773.2 $771.0 
Contract with Customer, Asset and Liability
The following table provides information about current contract liabilities from contracts with customers. The contract liabilities are included in Other accrued liabilities in the condensed consolidated balance sheets.
Three months ended
(In millions)March 29, 2025March 30, 2024
Balance at beginning of period$41.7 $69.0 
Revenue recognized that was included in the contract liability balance at the beginning of the period(29.0)(29.7)
Increases due to cash received, excluding amounts recognized as revenue during the period
26.0 26.7 
Balance at end of period$38.7 $66.0