Segment Information - Disaggregated Geographical Revenue by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Net sales	$ 4,822,065	$ 4,100,178	$ 9,408,359	$ 8,005,819
North America [Member]
Disaggregation of Revenue [Line Items]
Net sales	4,030,844	3,816,734	7,835,193	7,447,480
Australasia [Member]
Disaggregation of Revenue [Line Items]
Net sales	302,799	283,444	604,803	558,339
Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	488,422	0	968,363	0
Automotive [Member]
Disaggregation of Revenue [Line Items]
Net sales	2,736,201	2,142,922	5,300,460	4,121,368
Automotive [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,944,980	1,859,478	3,727,294	3,563,029
Automotive [Member] | Australasia [Member]
Disaggregation of Revenue [Line Items]
Net sales	302,799	283,444	604,803	558,339
Automotive [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	488,422	0	968,363	0
Industrial [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,602,665	1,474,209	3,150,609	2,903,168
Industrial [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,602,665	1,474,209	3,150,609	2,903,168
Industrial [Member] | Australasia [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Industrial [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Business Products [Member]
Disaggregation of Revenue [Line Items]
Net sales	483,199	483,047	957,290	981,283
Business Products [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Net sales	483,199	483,047	957,290	981,283
Business Products [Member] | Australasia [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Business Products [Member] | Europe [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0