Segment Information - Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Segment Reporting Information, Profit (Loss)
Net revenues	$ 1,112,866	$ 1,091,953	$ 3,084,399	$ 3,221,200
Impairment and restructuring charges	1,319	7,935	10,130	17,388
Adjusted EBITDA	130,750	108,948	330,976	325,808
North America
Segment Reporting Information, Profit (Loss)
Net revenues	662,690	658,437	1,857,539	1,891,915
Europe
Segment Reporting Information, Profit (Loss)
Net revenues	310,973	287,690	853,990	888,041
Australasia
Segment Reporting Information, Profit (Loss)
Net revenues	139,203	145,826	372,870	441,244
Operating Segments
Segment Reporting Information, Profit (Loss)
Net revenues	1,116,139	1,094,689	3,093,201	3,228,451
Impairment and restructuring charges	1,352	7,904	6,812	16,423
Adjusted EBITDA	150,875	117,198	366,620	351,776
Operating Segments | North America
Segment Reporting Information, Profit (Loss)
Net revenues	662,917	658,705	1,858,310	1,893,273
Impairment and restructuring charges	1,020	1,133	3,229	5,281
Adjusted EBITDA	92,411	66,671	232,516	206,985
Operating Segments | Europe
Segment Reporting Information, Profit (Loss)
Net revenues	311,218	287,703	855,198	888,174
Impairment and restructuring charges	506	2,258	2,660	4,210
Adjusted EBITDA	39,970	30,184	91,650	86,810
Operating Segments | Australasia
Segment Reporting Information, Profit (Loss)
Net revenues	142,004	148,281	379,693	447,004
Impairment and restructuring charges	(174)	4,513	923	6,932
Adjusted EBITDA	18,494	20,343	42,454	57,981
Corporate and Unallocated Costs
Segment Reporting Information, Profit (Loss)
Impairment and restructuring charges	(33)	31	3,318	965
Adjusted EBITDA	(20,125)	(8,250)	(35,644)	(25,968)
Intersegment Eliminations
Segment Reporting Information, Profit (Loss)
Net revenues	(3,273)	(2,736)	(8,802)	(7,251)
Intersegment Eliminations | North America
Segment Reporting Information, Profit (Loss)
Net revenues	(227)	(268)	(771)	(1,358)
Intersegment Eliminations | Europe
Segment Reporting Information, Profit (Loss)
Net revenues	(245)	(13)	(1,208)	(133)
Intersegment Eliminations | Australasia
Segment Reporting Information, Profit (Loss)
Net revenues	$ (2,801)	$ (2,455)	$ (6,823)	$ (5,760)