REVENUE (Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue
Sales	$ 3,479,570	$ 3,207,638	$ 10,036,070	$ 8,775,720
DIY customer [Member]
Disaggregation of Revenue
Sales	1,992,778	1,869,079	5,773,345	5,067,676
Professional service provider customer [Member]
Disaggregation of Revenue
Sales	1,408,747	1,264,802	4,032,050	3,510,031
Other customers and sales adjustments [Member]
Disaggregation of Revenue
Sales	$ 78,045	$ 73,757	$ 230,675	$ 198,013