Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 216.9	$ 239.3
Accounts receivable, net of allowance for doubtful accounts and customer deductions of $12.6 million and $10.1 million as of December 31, 2017 and 2016, respectively	830.7	689.2
Inventories	762.5	723.6
Prepaid expenses and other current assets	35.5	30.3
Federal and state income taxes receivable	69.5	13.9
Total current assets	1,915.1	1,696.3
Property, plant and equipment, net	2,924.9	2,895.7
Goodwill	883.2	737.9
Other intangible assets, net	410.0	367.1
Other long-term assets	64.3	80.0
Total assets	6,197.5	5,777.0
Current liabilities:
Current maturities of long-term debt	150.0	25.8
Capital lease obligations	1.3	1.3
Accounts payable	402.9	323.8
Dividends payable	60.5	59.9
Accrued liabilities	203.2	201.2
Accrued interest	14.8	13.4
Total current liabilities	832.7	625.4
Long-term liabilities:
Long-term debt	2,480.4	2,620.0
Capital lease obligations	19.0	20.3
Deferred income taxes	239.5	334.7
Compensation and benefits	372.5	357.2
Other long-term liabilities	70.8	59.6
Total long-term liabilities	3,182.2	3,391.8
Commitments and contingent liabilities
Stockholders' equity:
Common stock, par value $0.01 per share, 300.0 million shares authorized, 94.3 million and 94.2 million shares issued as of December 31, 2017 and 2016, respectively	0.9	0.9
Additional paid in capital	471.2	451.4
Retained earnings	1,867.4	1,447.1
Accumulated other comprehensive loss	(156.9)	(139.6)
Total stockholders' equity	2,182.6	1,759.8
Total liabilities and stockholders' equity	$ 6,197.5	$ 5,777.0