Supplemental Balance Sheet Information (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Inventories
Raw materials and supplies	$ 290.3	$ 218.7
Work-in-process	77.4	67.2
Finished goods	195.2	134.1
Total inventories	562.9	420.0
Other current assets
Cost in excess of billings	48.8	50.1
Prepaid expenses	57.1	48.5
Other current assets	6.4	6.9
Total other current assets	112.3	105.5
Property, plant and equipment, net
Land and land improvements	34.8	35.9
Buildings and leasehold improvements	194.5	195.4
Machinery and equipment	607.3	589.7
Capitalized Computer Software, Gross	66.5	79.9
Construction in progress	62.8	47.8
Total property, plant and equipment	965.9	948.7
Accumulated depreciation and amortization	655.9	647.5
Total property, plant and equipment, net	310.0	301.2
Other non-current assets
Right-of-use lease assets	84.5	83.6
prepaid taxes long term	23.1	27.4
Deferred compensation plan assets	25.6	22.6
Other non-current assets	73.9	69.2
Total other non-current assets	207.1	202.8
Other current liabilities
Dividends payable	33.0	33.2
Accrued warranty	40.5	37.0
Accrued Exchange Fee Rebate	198.7	122.0
Accrued freight	(36.5)	(20.5)
Billings in excess of cost	31.2	22.5
Current lease liability	25.6	22.1
Income taxes payable	32.0	14.6
Accrued restructuring	10.7	15.2	$ 16.2
Other current liabilities	117.7	123.3
Total other current liabilities	525.9	410.4
Other non-current liabilities
Long-term lease liability	62.6	65.1
Taxes payable	34.1	44.8
Self-insurance liabilities	42.6	42.0
Deferred compensation plan liabilities	25.6	22.6
Foreign currency contract liabilities	9.5	69.6
Other non-current liabilities	28.5	25.3
Total other non-current liabilities	$ 202.9	$ 269.4
Operating lease liability, current, statement of financial position	Total other current liabilities	Total other current liabilities
Operating lease liability, noncurrent, statement of financial position	Total other non-current liabilities	Total other non-current liabilities
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total other non-current assets	Total other non-current assets