XML 100 R84.htm IDEA: XBRL DOCUMENT v3.20.2
Goodwill and Other Intangible Assets, Net - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Goodwill And Intangible Assets Disclosure [Abstract]        
Intangible amortization expense $ 6,300,000 $ 7,800,000 $ 14,500,000 $ 15,000,000.0
Impairment charges of indefinite life intangibles $ 0 $ 0 $ 0 $ 0