Segment Information - Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information, Profit (Loss)
Net revenues	$ 1,068,561	$ 1,091,953	$ 1,118,987	$ 1,010,260	$ 1,091,739	$ 1,136,478	$ 1,172,465	$ 946,165	$ 4,289,761	$ 4,346,847	$ 3,763,749
Depreciation and amortization									133,969	125,100	111,273
Impairment and restructuring charges									21,551	17,328	13,056
Adjusted EBITDA									415,038	459,218	435,162
Capital expenditures									136,192	118,700	63,049
Segment assets	3,381,332				3,047,525				3,381,332	3,047,525	2,860,077
North America
Segment Reporting Information, Profit (Loss)
Net revenues									2,534,336	2,461,633	2,157,898
Europe
Segment Reporting Information, Profit (Loss)
Net revenues									1,178,441	1,215,299	1,042,767
Australasia
Segment Reporting Information, Profit (Loss)
Net revenues									576,984	669,915	563,084
Operating Segments
Segment Reporting Information, Profit (Loss)
Net revenues									4,299,740	4,360,278	3,777,473
Depreciation and amortization									128,636	120,807	108,217
Impairment and restructuring charges									20,594	18,214	12,014
Adjusted EBITDA									458,012	493,221	478,778
Capital expenditures									103,029	95,320	55,677
Segment assets	3,015,056				2,736,495				3,015,056	2,736,495	2,572,631
Operating Segments | North America
Segment Reporting Information, Profit (Loss)
Net revenues									2,535,810	2,462,914	2,159,919
Depreciation and amortization									81,905	71,945	66,990
Impairment and restructuring charges									7,301	4,933	8,471
Adjusted EBITDA									267,335	279,526	273,192
Capital expenditures									46,799	57,805	34,769
Segment assets	1,530,135				1,355,101				1,530,135	1,355,101	1,206,849
Operating Segments | Europe
Segment Reporting Information, Profit (Loss)
Net revenues									1,178,589	1,216,204	1,045,036
Depreciation and amortization									28,944	31,132	27,979
Impairment and restructuring charges									6,182	6,111	3,592
Adjusted EBITDA									116,193	122,810	131,200
Capital expenditures									23,611	25,369	14,889
Segment assets	974,076				898,901				974,076	898,901	918,048
Operating Segments | Australasia
Segment Reporting Information, Profit (Loss)
Net revenues									585,341	681,160	572,518
Depreciation and amortization									17,787	17,730	13,248
Impairment and restructuring charges									7,111	7,170	(49)
Adjusted EBITDA									74,484	90,885	74,386
Capital expenditures									32,619	12,146	6,019
Segment assets	510,845				482,493				510,845	482,493	447,734
Corporate and Unallocated Costs
Segment Reporting Information, Profit (Loss)
Depreciation and amortization									5,333	4,293	3,056
Impairment and restructuring charges									957	(886)	1,042
Adjusted EBITDA									(42,974)	(34,003)	(43,616)
Capital expenditures									33,163	23,380	7,372
Segment assets	$ 366,276				$ 311,030				366,276	311,030	287,446
Intersegment Eliminations
Segment Reporting Information, Profit (Loss)
Net revenues									(9,979)	(13,431)	(13,724)
Intersegment Eliminations | North America
Segment Reporting Information, Profit (Loss)
Net revenues									(1,474)	(1,281)	(2,021)
Intersegment Eliminations | Europe
Segment Reporting Information, Profit (Loss)
Net revenues									(148)	(905)	(2,269)
Intersegment Eliminations | Australasia
Segment Reporting Information, Profit (Loss)
Net revenues									$ (8,357)	$ (11,245)	$ (9,434)