Segment Information - Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Segment Reporting Information, Profit (Loss)
Net revenues	$ 992,346	$ 1,118,987	$ 1,971,533	$ 2,129,247
Impairment and restructuring charges	2,266	5,734	8,811	9,453
Adjusted EBITDA	125,719	127,583	200,227	216,861
North America
Segment Reporting Information, Profit (Loss)
Net revenues	608,113	668,372	1,194,849	1,233,478
Europe
Segment Reporting Information, Profit (Loss)
Net revenues	261,524	300,386	543,017	600,351
Australasia
Segment Reporting Information, Profit (Loss)
Net revenues	122,709	150,229	233,667	295,418
Operating Segments
Segment Reporting Information, Profit (Loss)
Net revenues	995,235	1,121,548	1,977,062	2,133,762
Impairment and restructuring charges	2,252	4,787	5,460	8,519
Adjusted EBITDA	134,704	137,765	215,745	234,579
Operating Segments | North America
Segment Reporting Information, Profit (Loss)
Net revenues	608,345	668,866	1,195,393	1,234,568
Impairment and restructuring charges	1,266	2,190	2,209	4,147
Adjusted EBITDA	91,115	87,519	140,105	140,314
Operating Segments | Europe
Segment Reporting Information, Profit (Loss)
Net revenues	262,173	300,479	543,980	600,471
Impairment and restructuring charges	153	644	2,154	1,953
Adjusted EBITDA	28,354	28,988	51,680	56,627
Operating Segments | Australasia
Segment Reporting Information, Profit (Loss)
Net revenues	124,717	152,203	237,689	298,723
Impairment and restructuring charges	833	1,953	1,097	2,419
Adjusted EBITDA	15,235	21,258	23,960	37,638
Corporate and Unallocated Costs
Segment Reporting Information, Profit (Loss)
Impairment and restructuring charges	14	947	3,351	934
Adjusted EBITDA	(8,985)	(10,182)	(15,518)	(17,718)
Intersegment Eliminations
Segment Reporting Information, Profit (Loss)
Net revenues	(2,889)	(2,561)	(5,529)	(4,515)
Intersegment Eliminations | North America
Segment Reporting Information, Profit (Loss)
Net revenues	(232)	(494)	(544)	(1,090)
Intersegment Eliminations | Europe
Segment Reporting Information, Profit (Loss)
Net revenues	(649)	(93)	(963)	(120)
Intersegment Eliminations | Australasia
Segment Reporting Information, Profit (Loss)
Net revenues	$ (2,008)	$ (1,974)	$ (4,022)	$ (3,305)