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European Non-Controlling Redeemable Equity - Additional Information (Detail)
$ in Millions
9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2020
€ / shares
May 30, 2017
Redeemable Noncontrolling Interest [Line Items]      
Percentage of voting interest acquired   99.90% 92.30%
Domination and Profit Loss Transfer Agreement [Member]      
Redeemable Noncontrolling Interest [Line Items]      
Share price per share   € 62.18  
Guaranteed annual dividend for each share that is not tendered   € 3.23  
Guaranteed annual statutory rate for each share that is tendered 4.12%    
Non-controlling interests with carrying value reclassified from stockholders' equity to mezzanine equity | $ $ 51.9