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Acquisitions - Additional Information (Detail)
$ in Thousands, $ in Millions
 1 Months Ended 2 Months Ended 9 Months Ended
Oct. 31, 2022
USD ($)
Oct. 31, 2022
CAD ($)
Apr. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Business Acquisition [Line Items]          
Purchases of businesses, net of cash acquired       $ 190,321 $ 1,839,664
2021 Consolidated Acquisition          
Business Acquisition [Line Items]          
Purchases of businesses, net of cash acquired     $ (190,300)    
Business acquisition, goodwill, expected tax deductible amount       52,000  
Two Thousand And Twenty Consolidated Acquisition [Member]          
Business Acquisition [Line Items]          
Other intangible assets       95,000  
Finite-lived intangible assets acquired       79,800  
Expected amortization, remainder of fiscal year       5,000  
Future amortization expense, year two       5,000  
Future amortization expense, year five       5,000  
Future amortization expense, year four       5,000  
Future amortization expense, year three       5,000  
Future amortization expense, year one       5,000  
Two Thousand And Twenty Consolidated Acquisition [Member] | Trade Names          
Business Acquisition [Line Items]          
Indefinite-lived intangible trade names acquired       15,200  
Two Thousand And Twenty Consolidated Acquisition [Member] | Customer Relationship          
Business Acquisition [Line Items]          
Finite-lived intangible assets acquired       $ 64,600  
Two Thousand And Twenty Consolidated Acquisition [Member] | Customer Relationship | Minimum          
Business Acquisition [Line Items]          
Amortization period for finite-lived intangible asset       17 years  
Two Thousand And Twenty Consolidated Acquisition [Member] | Purchased Technology          
Business Acquisition [Line Items]          
Finite-lived intangible assets acquired       $ 15,200  
Two Thousand And Twenty Consolidated Acquisition [Member] | Purchased Technology | Minimum          
Business Acquisition [Line Items]          
Amortization period for finite-lived intangible asset       17 years  
RTDS Technologies | Subsequent Event          
Business Acquisition [Line Items]          
Payments to acquire businesses, gross $ 240,000 $ 325.0