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Goodwill and Intangible Assets, Net - Additional Information (Detail)
3 Months Ended 9 Months Ended
Jul. 01, 2019
USD ($)
Segment
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
Segment
Sep. 30, 2018
USD ($)
Goodwill [Line Items]          
Number of reporting units | Segment 4        
Number of operating segments | Segment 4     4  
Impairment of goodwill $ 0        
Amortization of intangible assets   $ 12,361,000 $ 11,681,000 $ 36,167,000 $ 42,556,000
Acquired Intangible Assets [Member]          
Goodwill [Line Items]          
Amortization of intangible assets   8,600,000 9,000,000.0 26,000,000.0 35,200,000
Capitalized Software [Member]          
Goodwill [Line Items]          
Amortization of intangible assets   $ 3,800,000 $ 2,700,000 $ 10,200,000 $ 7,400,000