Balance Sheet Information - Supplemental Information on Balance Sheets (Detail) - USD ($) $ in Millions	Dec. 31, 2018	[1]	Dec. 31, 2017	Dec. 31, 2016
Inventories:
Raw materials and supplies	$ 227.4		$ 224.9
Work in process	66.4		58.3
Finished products	385.1		297.6
Total inventories	678.9		580.8
Property, plant and equipment:
Land and improvements	66.8		58.7
Buildings and improvements to leaseholds	500.1		464.1
Machinery and equipment	1,249.0		1,167.5
Construction in progress	95.8		90.1
Property, plant and equipment, gross	1,911.7		1,780.4
Less: accumulated depreciation	1,098.3		1,040.4
Property, plant and equipment, net of accumulated depreciation	813.4		740.0	$ 662.5
Other current liabilities:
Accrued salaries, wages and other compensation	85.9		105.9
Accrued customer programs	167.8		142.8
Accrued taxes	57.7		61.4
Dividends payable	30.9		30.4
Other accrued expenses	165.8		137.5
Total other current liabilities	$ 508.1		$ 478.0

[1] 2018 includes the impact of acquiring Fiberon. See Note 4 for additional information.