Goodwill and Intangible Assets, Net - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 435,088		$ 435,088		$ 431,713
Foreign Currency Translation	(355)		(355)		(897)
Accumulated Amortization	152,428		152,428		137,903
Net Amount	282,305		282,305		292,913
Amortization of Intangible Assets	7,299	$ 6,428	14,491	$ 12,840
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	148,100		148,100		148,100
Foreign Currency Translation	(234)		(234)		(592)
Accumulated Amortization	39,483		39,483		36,183
Net Amount	108,383		108,383		111,325
Patented technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,126		16,126		16,126
Foreign Currency Translation	(4)		(4)		(9)
Accumulated Amortization	11,039		11,039		10,303
Net Amount	5,083		5,083		5,814
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	13,000		13,000		13,000
Foreign Currency Translation	0		0		0
Accumulated Amortization	3,107		3,107		2,673
Net Amount	9,893		9,893		10,327
Pool Designs
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	13,628		13,628		13,628
Foreign Currency Translation	(116)		(116)		(293)
Accumulated Amortization	4,377		4,377		3,909
Net Amount	9,135		9,135		9,426
Franchise relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,187		1,187		1,187
Foreign Currency Translation	0		0		0
Accumulated Amortization	1,187		1,187		1,187
Net Amount	0		0		0
Dealer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	238,551		238,551		235,176
Foreign Currency Translation	(1)		(1)		(3)
Accumulated Amortization	88,774		88,774		79,397
Net Amount	149,776		149,776		155,776
Order backlog
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,020		2,020		2,020
Foreign Currency Translation	0		0		0
Accumulated Amortization	1,985		1,985		1,775
Net Amount	35		35		245
Non-Competition Agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,476		2,476		2,476
Foreign Currency Translation	0		0		0
Accumulated Amortization	2,476		2,476		2,476
Net Amount	$ 0		$ 0		$ 0