Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 199.6	$ 216.9
Accounts receivable, net of allowance for doubtful accounts and customer deductions of $13.0 million and $12.6 million as of June 30, 2018, and December 31, 2017, respectively	920.0	830.7
Inventories	763.7	762.5
Prepaid expenses and other current assets	56.6	35.5
Federal and state income taxes receivable	16.7	69.5
Total current assets	1,956.6	1,915.1
Property, plant, and equipment, net	3,026.5	2,924.9
Goodwill	888.7	883.2
Other intangible assets, net	384.1	410.0
Other long-term assets	59.7	64.3
Total assets	6,315.6	6,197.5
Current liabilities:
Current maturities of long-term debt	0.0	150.0
Capital lease obligations	1.4	1.3
Accounts payable	431.7	402.9
Dividends payable	75.5	60.5
Accrued liabilities	195.7	203.2
Accrued interest	11.5	14.8
Total current liabilities	715.8	832.7
Long-term liabilities:
Long-term debt	2,482.1	2,480.4
Capital lease obligations	18.3	19.0
Deferred income taxes	272.8	239.5
Compensation and benefits	374.9	372.5
Other long-term liabilities	63.7	70.8
Total long-term liabilities	3,211.8	3,182.2
Commitments and contingent liabilities
Stockholders' equity:
Common stock, par value $0.01 per share, 300.0 million shares authorized, 94.5 million and 94.3 million shares issued as of June 30, 2018, and December 31, 2017, respectively	0.9	0.9
Additional paid in capital	482.1	471.2
Retained earnings	2,054.0	1,867.4
Accumulated other comprehensive loss	(149.0)	(156.9)
Total stockholders' equity	2,388.0	2,182.6
Total liabilities and stockholders' equity	$ 6,315.6	$ 6,197.5

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.