Quarterly report [Sections 13 or 15(d)]

Significant Accounting Policies - Additional Information (Detail)

v3.26.1
Significant Accounting Policies - Additional Information (Detail)
$ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 17, 2025
USD ($)
Apr. 30, 2026
USD ($)
Apr. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Product
Segment
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Subsidiary or Equity Method Investee [Line Items]                
General and administrative expenses       $ 436.2 $ 408.5 $ 867.6 $ 808.8  
Cash outflow           146.7 96.2  
Credit card receivables       71.3   71.3   $ 59.4
Bad-debt expense       0.0 0.2 0.1 0.2  
Allowance for doubtful accounts       1.7   1.7   1.8
Allowances for product returns           $ 1.9   2.0
Number of geographic regions | Segment           5    
Number of product categories | Product           5    
Other operating income       (0.0) 4.8 $ 5.5 4.8  
Loss on extinguishment of debt       (94.6)   (94.6) 0.0  
Minority interest increase             6.2  
Secretariat of the federal revenue bureau of brazil [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Restricted cash       $ 15.2   $ 15.2   $ 15.2
HBL Link Bioscience LLC [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Consideration to acquire assets     $ 6.5          
Ownership interest percentage     51.00%          
Link BioSciences Inc [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Cash paid     $ 6.5          
Asset acquisition contingent payments     0.0          
Reduction in cash     6.5          
Assets estimated fair value at the acquisition date     12.7          
Link BioSciences Inc [Member] | Goodwill [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Assets estimated fair value at the acquisition date     7.2          
Link BioSciences Inc [Member] | Software [Member] | Property Plant, and Equipment [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Assets estimated fair value at the acquisition date     2.5          
Link BioSciences Inc [Member] | Manufacturing Equipment [Member] | Property Plant, and Equipment [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Assets estimated fair value at the acquisition date     2.5          
Pruvit [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Consideration to acquire assets $ 19.0              
Pruvit [Member] | Developed Technology and Software [Member] | Property Plant, and Equipment [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Consideration to acquire assets 14.4              
Customer Relationships [Member] | Link BioSciences Inc [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Assets estimated fair value at the acquisition date     $ 0.5          
Customer Relationships [Member] | Pruvit [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Consideration to acquire assets 4.3              
Assembled Workforce [Member] | Pruvit [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Consideration to acquire assets 0.3              
Minimum [Member] | Contingent Milestone Payment Period [Member] | Pruvit [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Asset acquisition contingent payments 5.0              
Maximum [Member] | Contingent Milestone Payment Period [Member] | Pruvit [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Asset acquisition contingent payments $ 25.0              
Pro2col Software, LLC [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Equity interest percentage       5.00%   5.00%    
Additional equity interest percentage       5.00%   5.00%    
Proceeds from equity interest           $ 7.5    
Increased ownership percentage       10.00%   10.00%    
Additional equity interest percentage to be acquired       10.00%   10.00%    
Member compensation Liabilities [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Cash outflow             0.4  
Pro2col Health LLC [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Milestones period 10 years              
Additional payments $ 0.0              
Pro2col Health LLC [Member] | Contingent Milestone Payments Second [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Maximum milestone contingent payments 46.0              
Pro2col Health LLC [Member] | Minimum [Member] | Contingent Milestone Payments Third [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Contingent payments 5.0              
Pro2col Health LLC [Member] | Maximum [Member] | Contingent Milestone Payments First [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Contingent payments 2.0              
Pro2col Health LLC [Member] | Maximum [Member] | Contingent Milestone Payments Second [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Contingent payments 3.0              
Pro2col Health LLC [Member] | Maximum [Member] | Contingent Milestone Payments Third [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Contingent payments $ 15.0              
BQ Holdings [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Business combination, consideration   $ 55.0            
Finite-lived intangible assets acquired, useful life   5 years            
Business combination base consideration and contingent consideration   $ 54.2            
Present value of contingent consideration   45.2            
liability related to contingent consideration   9.0            
Maximum milestone contingent payments   95.0            
Cash paid   10.0            
BQ Holdings [Member] | Goodwill [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Business combination, consideration       $ 26.8        
BQ Holdings [Member] | Intangible Assets [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Business combination, consideration   6.9            
BQ Holdings [Member] | Inventory [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Business combination, consideration   1.0            
BQ Holdings [Member] | Other Assets [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Business combination, consideration   5.3            
BQ Holdings [Member] | Deferred Tax Asset [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Business combination, consideration   1.0            
BQ Holdings [Member] | Developed Technology [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Business combination, consideration   13.2            
BQ Holdings [Member] | Minimum [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Contingent payments   5.0            
BQ Holdings [Member] | Maximum [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Contingent payments   15.0            
Maximum milestone contingent payments   $ 95.0            
Reclassification [Member]                
Subsidiary or Equity Method Investee [Line Items]                
General and administrative expenses         39.4   71.0  
2024 Credit Facility [Member] | 2029 Secured Notes [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Loss on extinguishment of debt       (94.6)   $ (94.6)    
China [Member]                
Subsidiary or Equity Method Investee [Line Items]                
Other operating income       $ 0.0 $ 4.8 $ 5.5 $ 4.8