Annual report [Section 13 and 15(d), not S-K Item 405]

FAIR VALUE MEASUREMENTS - Additional Information (Details)

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FAIR VALUE MEASUREMENTS - Additional Information (Details)
 3 Months Ended 12 Months Ended
Dec. 28, 2024
USD ($)
Mar. 30, 2024
USD ($)
Dec. 30, 2023
USD ($)
Sep. 30, 2023
USD ($)
Mar. 29, 2025
USD ($)
Mar. 30, 2024
USD ($)
Apr. 01, 2023
USD ($)
Nov. 23, 2024
USD ($)
Sep. 28, 2024
USD ($)
Dec. 31, 2023
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Other commitment                 $ 141,000,000  
Contingent fees, total value         $ 27,800,000          
Contingent consulting fees         23,900,000          
Long-term debt, carrying values   $ 5,703,005,000     3,966,229,000 $ 5,703,005,000        
Long-term debt, fair values   5,263,300,000     3,628,800,000 5,263,300,000        
Impairment charges for property, plant and equipment         10,400,000 39,400,000 $ 3,000,000.0      
Equity investments impairment loss         15,600,000 0 0      
Impairment of goodwill and intangible assets         89,242,000 507,566,000 0      
Trademarks and trade names   1,701,519,000     1,648,885,000 1,701,519,000        
Impairment of indefinite lived intangible assets           0 0      
Goodwill   $ 645,356,000     603,386,000 645,356,000 1,155,570,000      
Impairment of goodwill and intangible assets         38,242,000 $ 507,566,000 $ 0      
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]           Impairment of goodwill and intangible assets        
Measurement Input, Discount Rate | Minimum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input   0.130       0.130        
Measurement Input, Discount Rate | Maximum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input   0.185       0.185        
Measurement Input, Discount Rate | Weighted Average                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input   0.148       0.148        
Measurement Input, Royalty Rate | Minimum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input   0.040       0.040        
Measurement Input, Royalty Rate | Maximum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input   0.070       0.070        
Measurement Input, Royalty Rate | Weighted Average                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input   0.063       0.063        
Measurement Input, Revenue Growth Rate                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input   0.020       0.020        
Dickies                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Impairment of goodwill and intangible assets       $ 0            
Trademarks and trade names   $ 290,000,000 $ 290,000,000 290,000,000   $ 290,000,000   $ 290,000,000    
Impairment of indefinite lived intangible assets         51,000,000.0          
Goodwill     61,800,000 $ 61,200,000            
Impairment of goodwill and intangible assets     61,800,000     $ 61,800,000        
Fair value exceeding carrying value of goodwill, percent       8.00%            
Sensitivity analysis, decrease in annual growth rate assumption for revenues, percentage           0.50        
Sensitivity analysis, increase in the discount rate assumption           0.0200        
Dickies | Trademarks                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Impairment of indefinite lived intangible assets           $ 0        
Fair value exceeding carrying value of indefinite-lived intangible asset, percent           16.00%        
Icebreaker                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Trademarks and trade names               59,100,000   $ 62,100,000
Impairment of indefinite lived intangible assets         0          
Goodwill               $ 38,200,000   81,200,000
Impairment of goodwill and intangible assets   38,800,000     38,200,000 $ 38,800,000        
Icebreaker | Trademarks                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Impairment of indefinite lived intangible assets           $ 0        
Timberland Pro Reporting Unit                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Goodwill         51,500,000         51,500,000
Impairment of goodwill and intangible assets         $ 0          
Fair value exceeding carrying value of goodwill, percent         18.00% 17.00%        
Sensitivity analysis, reduction in the annual growth assumption for EBITDA         0.20 0.20        
Sensitivity analysis, increase in the discount rate used in the discounted cash flow model         0.0050 0.0200        
Smartwool Reporting Units                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Impairment of goodwill and intangible assets         $ 0 $ 0        
Trademarks and trade names         75,400,000         75,400,000
Goodwill         $ 53,500,000         53,500,000
Smartwool Reporting Units | Measurement Input, Discount Rate | Minimum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input         0.125          
Smartwool Reporting Units | Measurement Input, Discount Rate | Maximum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input         0.155          
Smartwool Reporting Units | Measurement Input, Discount Rate | Weighted Average                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input         0.142          
Smartwool Reporting Units | Measurement Input, Royalty Rate | Minimum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input         0.040          
Smartwool Reporting Units | Measurement Input, Royalty Rate | Maximum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input         0.050          
Smartwool Reporting Units | Measurement Input, Royalty Rate | Weighted Average                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input         0.043          
Smartwool Reporting Units | Measurement Input, Revenue Growth Rate | Minimum                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Intangible assets measurement input         0.020          
Other Reporting Units                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Trademarks and trade names         $ 1,500,000,000          
Goodwill         $ 491,200,000          
Timberland                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Trademarks and trade names $ 999,500,000 999,500,000       999,500,000        
Impairment of indefinite lived intangible assets           0        
Goodwill 407,900,000 211,700,000       211,700,000        
Impairment of goodwill and intangible assets $ 195,300,000 $ 211,700,000 $ 195,300,000     $ 211,700,000        
Sensitivity analysis, decrease in annual growth rate assumption for revenues, percentage           0.40        
Sensitivity analysis, increase in the discount rate assumption           0.0100        
Timberland | Trademarks                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Impairment of indefinite lived intangible assets           $ 0        
Fair value exceeding carrying value of indefinite-lived intangible asset, percent           14.00%        
Altra Reporting Units                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Impairment of goodwill and intangible assets           $ 0        
Trademarks and trade names                   46,400,000
Goodwill                   $ 61,700,000
Fair value exceeding carrying value of goodwill, percent           15.00%        
Sensitivity analysis, reduction in the annual growth assumption for EBITDA           0.10        
Sensitivity analysis, increase in the discount rate used in the discounted cash flow model           0.0200        
Consulting Firm Contract Fixed Fees                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Other commitment                 66,000,000  
Consulting Firm Contract Contingent Fees                    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                    
Other commitment                 $ 75,000,000