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Subsequent Events - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Oct. 29, 2019
Oct. 02, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Subsequent Event [Line Items]                    
Quarterly dividend declared     $ 0.68 $ 0.58 $ 0.58 $ 0.58 $ 0.38 $ 0.38 $ 1.84 $ 1.34
2018 Repurchase Program [Member]                    
Subsequent Event [Line Items]                    
Stock repurchase program, remaining authorized repurchase amount     $ 706.1           $ 706.1  
Subsequent Event [Member]                    
Subsequent Event [Line Items]                    
Quarterly dividend declared $ 0.68                  
Quarterly dividend declared date Oct. 29, 2019                  
Quarterly dividend payable date Nov. 27, 2019                  
Quarterly dividend record date Nov. 15, 2019                  
Subsequent Event [Member] | 2018 Repurchase Program [Member]                    
Subsequent Event [Line Items]                    
Repurchase program authorizing the purchase of shares $ 750.0                  
Stock repurchase program, remaining authorized repurchase amount $ 706.1                  
Subsequent Event [Member] | Carbon Delta [Member]                    
Subsequent Event [Line Items]                    
Business acquisition, costs   $ 18.0