v3.26.1
Supplemental balance sheet and cash flow information (other non-current assets) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Mar. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Other non-current assets        
Proceeds from company-owned life insurance policy   $ 34.0 $ 0.0  
Gain (loss) on exit from joint venture $ 0.0      
Postretirement benefit plan asset   134.3   $ 129.5
Prepaid product discounts [1]   31.3   29.8
Cloud computing arrangements implementation costs   24.4   29.2
Deferred contract acquisition costs [2]   18.2   17.1
Long-term receivables, net of allowance for credit losses [3]   15.3   9.0
Other   24.3   39.8
Other non-current assets   247.8   254.4
Amortization of prepaid product discounts   14.9 16.4  
Amortization of deferred contract acquisition costs   5.2 $ 5.8  
Long-term receivables, current portion   5.7   $ 1.7
Long-term receivable originated in the current year   12.1    
Current portion of long-term receivable originated in current year   4.2    
Long-term receivables [Member]        
Long-term receivables, allowance for credit losses [Line Items]        
Recoveries   0.0    
Write-offs   $ 0.0    
[1] Amortization of prepaid product discounts was $14.9 million for the six months ended June 30, 2026 and $16.4 million for the six months ended June 30, 2025.
[2] Amortization of deferred contract acquisition costs was $5.2 million for the six months ended June 30, 2026 and $5.8 million for the six months ended June 30, 2025.
[3] Amount includes the non-current portion of long-term receivables, including loans and notes receivable from distributors and proceeds receivable from an asset sale (Note 6). The current portion of these receivables is included in other current assets on the consolidated balance sheets and was $5.7 million as of June 30, 2026 and $1.7 million as of December 31, 2025. The related allowance for credit losses was not material in either period.