Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2026	Jul. 04, 2025	Jul. 03, 2026	Jul. 04, 2025
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 582,782	$ 564,545	$ 1,171,933	$ 1,123,379
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Dr Comfort Footcare Solutions
Disaggregation of Revenue [Line Items]
Net sales		14,400		27,200
Prevention & Recovery
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	288,248	290,570	560,266	563,154
Prevention & Recovery \| Bracing and Support \| U.S.
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	127,610	120,850	242,493	235,936
Prevention & Recovery \| Other Prevention and Recovery \| U.S.
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	59,637	70,823	115,499	137,445
Prevention & Recovery \| Prevention & Recovery \| International
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	101,001	98,897	202,274	189,773
Reconstructive
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	294,534	273,975	611,667	560,225
Reconstructive \| Surgical \| U.S.
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	137,829	129,493	287,037	267,370
Reconstructive \| Surgical \| International
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 156,705	$ 144,482	$ 324,630	$ 292,855