Segment Information - Disaggregated Geographical Revenue by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 3,823,227	$ 4,457,931	$ 7,915,753	$ 8,717,060
North America
Disaggregation of Revenue [Line Items]
Net sales	2,946,775	3,646,706	6,088,986	7,097,275
Australasia
Disaggregation of Revenue [Line Items]
Net sales	379,017	286,717	751,067	571,270
Automotive Parts | North America
Disaggregation of Revenue [Line Items]
Net sales	1,715,567	1,964,985	3,447,063	3,780,131
Automotive Parts | Australasia
Disaggregation of Revenue [Line Items]
Net sales	282,797	286,717	555,721	571,270
Automotive Parts | Europe
Disaggregation of Revenue [Line Items]
Net sales	497,435	524,508	1,075,700	1,048,515
Industrial Parts | North America
Disaggregation of Revenue [Line Items]
Net sales	1,231,208	1,681,721	2,641,923	3,317,144
Industrial Parts | Australasia
Disaggregation of Revenue [Line Items]
Net sales	$ 96,220	$ 0	$ 195,346	$ 0