Schedule of Financial Performance by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information
Revenues	$ 3,047,684	$ 3,147,773	$ 8,674,942	$ 9,496,249
Segment EBITDA	389,462	336,486	1,002,568	1,015,075
Depreciation and amortization	76,327	77,878	220,636	230,239
North America [Member]
Segment Reporting Information
Revenues	1,164,241	1,302,147	3,465,831	3,926,222
Segment EBITDA	204,957	166,310	565,949	532,994
Depreciation and amortization	24,479	23,593	72,677	68,257
Europe [Member]
Segment Reporting Information
Revenues	1,484,099	1,451,483	4,058,878	4,413,264
Segment EBITDA	136,165	124,712	303,814	346,291
Depreciation and amortization	44,412	47,302	126,000	141,087
Specialty [Member]
Segment Reporting Information
Revenues	400,429	395,314	1,153,885	1,160,687
Segment EBITDA	48,340	45,464	132,805	135,790
Depreciation and amortization	7,436	6,983	21,959	20,895
Intersegment Eliminations [Member]
Segment Reporting Information
Revenues	(1,085)	(1,171)	(3,652)	(3,924)
Segment EBITDA	0	0	0	0
Depreciation and amortization	0	0	0	0
Third Party [Member]
Segment Reporting Information
Revenues	3,047,684	3,147,773	8,674,942	9,496,249
Third Party [Member] | North America [Member]
Segment Reporting Information
Revenues	1,164,031	1,302,086	3,465,102	3,925,962
Third Party [Member] | Europe [Member]
Segment Reporting Information
Revenues	1,484,099	1,451,483	4,058,878	4,413,264
Third Party [Member] | Specialty [Member]
Segment Reporting Information
Revenues	399,554	394,204	1,150,962	1,157,023
Third Party [Member] | Intersegment Eliminations [Member]
Segment Reporting Information
Revenues	0	0	0	0
Intersegment [Member]
Segment Reporting Information
Revenues	0	0	0	0
Intersegment [Member] | North America [Member]
Segment Reporting Information
Revenues	210	61	729	260
Intersegment [Member] | Europe [Member]
Segment Reporting Information
Revenues	0	0	0	0
Intersegment [Member] | Specialty [Member]
Segment Reporting Information
Revenues	875	1,110	2,923	3,664
Intersegment [Member] | Intersegment Eliminations [Member]
Segment Reporting Information
Revenues	$ (1,085)	$ (1,171)	$ (3,652)	$ (3,924)