Segment Data - Net Sales by Geographical Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 19,392,305	$ 18,735,073	$ 16,308,801
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	15,799,446	15,681,013	14,890,315
Australasia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,369,361	1,193,148	1,162,122
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	2,223,498	1,860,912	256,364
Automotive | North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	7,606,678	7,472,460	7,164,831
Automotive | Australasia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,157,357	1,193,148	1,162,122
Industrial | North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	6,316,328	6,298,584	5,805,012
Industrial | Australasia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	212,004	0	0
Business Products | North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 1,876,440	$ 1,909,969	$ 1,920,472