Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Narrative (Details)

v3.22.2.2
Basis of Presentation - Narrative (Details)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Feb. 13, 2019
element
Mar. 31, 2022
USD ($)
Jan. 31, 2022
USD ($)
Oct. 01, 2022
USD ($)
Apr. 02, 2022
USD ($)
Oct. 02, 2021
USD ($)
Oct. 01, 2022
USD ($)
Oct. 02, 2021
USD ($)
Dec. 31, 2021
USD ($)
Sep. 30, 2021
USD ($)
Business Acquisition [Line Items]                    
Allowance for doubtful accounts       $ 3.4     $ 3.4   $ 3.2  
Bad debt expense       0.3     0.4      
Research and development expense       12.0   $ 11.3 36.8 $ 31.9    
USDOT | AMPJ Award                    
Business Acquisition [Line Items]                    
USDOT grant receivable amount (up to)                   $ 14.7
Portion of grant received       $ 2.1 $ 5.2       $ 7.4  
Revenue recognized included in contract liability balance             $ 6.0      
Sold | Semiconductor Test Business | Test Systems                    
Business Acquisition [Line Items]                    
Number of elements for contingent earnouts | element 2                  
Earnout proceeds received   $ 11.3 $ 10.7