Schedule of Financial Performance by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information
Revenues	$ 3,000,935	$ 3,100,303
Segment EBITDA	321,932	319,893
Depreciation and amortization	71,379	76,207
North America [Member]
Segment Reporting Information
Revenues	1,290,195	1,302,309
Segment EBITDA	211,438	176,636
Depreciation and amortization	23,148	22,239
Europe [Member]
Segment Reporting Information
Revenues	1,363,594	1,445,541
Segment EBITDA	78,262	105,298
Depreciation and amortization	41,095	47,011
Specialty [Member]
Segment Reporting Information
Revenues	348,582	353,737
Segment EBITDA	32,232	37,959
Depreciation and amortization	7,136	6,957
Intersegment Eliminations [Member]
Segment Reporting Information
Revenues	(1,436)	(1,284)
Segment EBITDA	0	0
Depreciation and amortization	0	0
Third Party [Member]
Segment Reporting Information
Revenues	3,000,935	3,100,303
Third Party [Member] | North America [Member]
Segment Reporting Information
Revenues	1,289,935	1,302,206
Third Party [Member] | Europe [Member]
Segment Reporting Information
Revenues	1,363,594	1,445,541
Third Party [Member] | Specialty [Member]
Segment Reporting Information
Revenues	347,406	352,556
Third Party [Member] | Intersegment Eliminations [Member]
Segment Reporting Information
Revenues	0	0
Intersegment [Member]
Segment Reporting Information
Revenues	0	0
Intersegment [Member] | North America [Member]
Segment Reporting Information
Revenues	260	103
Intersegment [Member] | Europe [Member]
Segment Reporting Information
Revenues	0	0
Intersegment [Member] | Specialty [Member]
Segment Reporting Information
Revenues	1,176	1,181
Intersegment [Member] | Intersegment Eliminations [Member]
Segment Reporting Information
Revenues	$ (1,436)	$ (1,284)