Supplemental Balance Sheet Information (Detail) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Inventories
Raw materials and supplies	$ 255.1	$ 223.5
Work-in-process	83.0	67.3
Finished goods	242.9	233.4
Total inventories	581.0	524.2
Other current assets
Cost in excess of billings	121.4	107.7
Prepaid expenses	80.7	68.7
Deferred income taxes	15.3	67.2
Other Current Assets	5.5	9.8
Total other current assets	222.9	253.4
Property, plant and equipment, net
Land and land improvements	72.6	66.2
Buildings and leasehold improvements	354.5	335.0
Machinery and equipment	1,011.6	932.5
Construction in progress	35.1	68.6
Total property, plant and equipment	1,473.8	1,402.3
Accumulated depreciation and amortization	928.3	863.7
Total property, plant and equipment, net	545.5	538.6	$ 539.8
prepaid taxes long term	254.3	0.0
Other non-current assets
Deferred income taxes	43.0	39.0
Deferred Compensation Plan Assets	49.4	47.9
Other non-current assets	83.2	95.2
Total other non-current assets	429.9	182.1
Other current liabilities
Dividends payable	63.1	61.8
Accrued warranty	41.0	38.9
Accrued Exchange Fee Rebate	92.7	78.2
Billings in excess of cost	29.9	22.5
Taxes Payable	31.1	87.3
Restructuring Reserve	39.8	25.4	$ 37.1
Other current liabilities	219.5	197.4
Total other current liabilities	517.1	511.5
Other non-current liabilities
Taxes payable	92.7	36.1
Self Insurance Reserve, Noncurrent	48.3	49.8
Deferred Compensation Liability, Current	49.4	47.9
Foreign Currency Contracts, Liability, Fair Value Disclosure	47.2	5.4
Other non-current liabilities	37.8	22.8
Total other non-current liabilities	$ 275.4	$ 162.0