Supplemental Balance Sheet Information (Detail) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disclosure Supplemental Balance Sheet Information [Abstract]
Non-current lease liabilities	$ 105.0	$ 90.7
Operating Lease, Liability, Current	30.3	22.4
Interest Payable, Current	9.8	11.6
Inventories
Raw materials and supplies	213.5	146.4
Work-in-process	31.2	15.8
Finished goods	227.2	198.1
Total inventories	471.9	360.3
Other current assets
Contract assets	160.8	54.9	$ 13.6
Prepaid expenses	46.8	36.1
Prepaid income taxes	12.1	18.1
Other current assets	17.5	14.8
Total other current assets	237.2	123.9
Property, plant and equipment, net
Land and land improvements	28.3	21.5
Buildings and leasehold improvements	220.0	177.1
Machinery and equipment	651.1	565.6
Construction in progress	65.7	47.2
Total property, plant and equipment	965.1	811.4
Accumulated depreciation and amortization	530.6	463.5
Total property, plant and equipment, net	434.5	347.9
Other non-current assets
Deferred compensation plan assets	18.8	15.4
Operating lease right-of-use assets	128.6	107.2
Deferred tax assets	46.7	57.0
Other non-current assets	29.2	34.0
Total other non-current assets	223.3	213.6
Other current liabilities
Dividends payable	34.6	33.9
Accrued rebates	91.5	69.4
Contract liabilities	176.8	22.5	$ 8.0
Accrued taxes payable	56.7	50.7
Other current liabilities	74.5	56.0
Total other current liabilities	474.2	266.5
Other non-current liabilities
Income taxes payable	10.3	11.7
Deferred compensation plan liabilities	18.8	15.4
Cross currency swap liabilities	36.7	8.4
Other non-current liabilities	33.8	31.7
Total other non-current liabilities	$ 204.6	$ 157.9