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Segment Information - Schedule of Net Sales (Revenue), Gross Profit, and Operating Income (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 26, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 26, 2020		Dec. 28, 2019		Dec. 29, 2018
Segment Reporting Information [Line Items]
Net sales	$ 1,351,405	$ 1,109,194	$ 869,867	$ 856,108	$ 1,102,233	$ 934,383	$ 954,840	$ 766,050	$ 4,186,573	[1]	$ 3,757,505	[1]	$ 3,347,444	[1]
Gross profit	$ 790,983	$ 667,983	$ 515,430	$ 506,940	$ 639,456	$ 567,458	$ 575,365	$ 451,698	2,481,336		2,233,976		1,979,719
Operating income									1,054,240		945,586		778,343
Fitness Segment [Member]
Segment Reporting Information [Line Items]
Net sales									1,317,498		1,047,527		858,329
Gross profit									697,539		532,604		471,764
Operating income									318,884		191,858		181,745
Outdoor Segment [Member]
Segment Reporting Information [Line Items]
Net sales									1,128,081		917,567		809,883
Gross profit									739,777		598,443		528,254
Operating income									441,085		334,041		290,510
Marine Segment [Member]
Segment Reporting Information [Line Items]
Net sales									657,848		508,850		441,560
Gross profit									384,450		302,949		258,756
Operating income									175,724		109,876		63,344
Aviation Segment [Member]
Segment Reporting Information [Line Items]
Net sales									622,820		735,458		603,459
Gross profit									453,008		543,385		450,152
Operating income									137,203		252,943		204,746
Auto Segment [Member]
Segment Reporting Information [Line Items]
Net sales									460,326		548,103		634,213
Gross profit									206,562		256,595		270,793
Operating income									(18,656)		56,868		37,998
Auto Segment [Member] | Customer Auto Subsegment [Member]
Segment Reporting Information [Line Items]
Net sales									275,493		365,511		425,684
Gross profit									139,864		172,218		179,862
Operating income									41,464		63,299		43,141
Auto Segment [Member] | Auto OEM Subsegment [Member]
Segment Reporting Information [Line Items]
Net sales									184,833		182,592		208,529
Gross profit									66,698		84,377		90,931
Operating income									$ (60,120)		$ (6,431)		$ (5,143)
[1] The U.S. is the only country which constitutes greater than 10% of net sales to external customers

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