Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 184.2	$ 124.9
Accounts receivable, net of allowance for doubtful accounts and customer deductions of $10.3 million and $11.3 million as of December 31, 2015 and 2014, respectively	636.5	646.1
Inventories	676.8	664.9
Prepaid expenses and other current assets	28.8	61.9
Federal and state income taxes receivable	28.2	5.1
Total current assets	1,554.5	1,502.9
Property, plant, and equipment, net	2,832.1	2,857.6
Goodwill	544.0	546.8
Intangible assets, net	270.8	293.5
Other long-term assets	83.2	72.0
Total assets	5,284.6	5,272.8
Current liabilities:
Current maturities of long-term debt	6.5	6.5
Capital lease obligations	1.2	1.1
Accounts payable	294.2	330.5
Dividends payable	53.4	39.4
Accrued liabilities	193.5	220.0
Accrued interest	13.1	13.5
Total current liabilities	561.9	611.0
Long-term liabilities:
Long-term debt	2,302.7	2,348.9
Capital lease obligations	21.6	22.8
Deferred income taxes	347.0	334.2
Compensation and benefits	358.6	361.7
Other long-term liabilities	59.5	72.8
Total long-term liabilities	$ 3,089.4	$ 3,140.4
Commitments and contingent liabilities
Stockholders' equity:
Common stock, par value $0.01 per share, 300.0 million shares authorized, 96.1 million and 98.4 million shares issued as of December 31, 2015 and 2014, respectively	$ 1.0	$ 1.0
Additional paid in capital	439.9	432.1
Retained earnings	1,317.3	1,242.2
Accumulated other comprehensive loss	(124.9)	(153.9)
Total stockholders' equity	1,633.3	1,521.4
Total liabilities and stockholders' equity	$ 5,284.6	$ 5,272.8