Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Business Acquisition [Line Items]
Sales	$ 1,511,800	$ 1,779,300	$ 2,917,000	$ 3,275,000
Gross profit	$ 332,700	$ 436,400	$ 625,600	$ 788,900
Senior Unsecured Notes 4.23% Due July 2028 | Senior Notes
Business Acquisition [Line Items]
Stated interest rate	4.23%		4.23%