CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 226.6	$ 203.0
Accounts receivable, net	242.4	200.5
Inventories	211.3	199.3
Other current assets	37.5	39.1
Total current assets	717.8	641.9
Property, plant and equipment	1,646.7	1,554.7
Less: accumulated depreciation and amortization	834.9	776.4
Property, plant and equipment, net	811.8	778.3
Investments in affiliated companies	83.6	82.7
Goodwill	105.8	103.0
Deferred income taxes	85.1	66.2
Intangible assets, net	22.9	23.3
Other noncurrent assets	16.0	21.3
Total Assets	1,843.0	1,716.7
Current liabilities:
Notes payable and other current debt	33.8	2.4
Accounts payable	130.9	122.0
Pension and other postretirement benefits	2.3	2.2
Accrued salaries, wages and benefits	48.1	51.6
Income taxes payable	2.4	4.5
Other current liabilities	71.5	58.3
Total current liabilities	289.0	241.0
Long-term debt	195.7	226.2
Deferred income taxes	9.2	9.2
Pension and other postretirement benefits	60.1	75.6
Other long-term liabilities	46.6	47.2
Total Liabilities	600.6	599.2
Commitments and contingencies (Note 14)
Equity:
Preferred stock, 3.0 million shares authorized; 0 shares issued and outstanding	0.0	0.0
Common stock, $0.25 par value; 100.0 million shares authorized; issued: 74.8 million and 73.7 million; outstanding: 74.0 million and 73.1 million	18.7	18.4
Capital in excess of par value	292.3	260.4
Retained earnings	1,148.0	1,071.6
Accumulated other comprehensive loss	(151.8)	(186.8)
Treasury stock, at cost (0.8 million and 0.6 million shares)	(64.8)	(46.1)
Total Equity	1,242.4	1,117.5
Total Liabilities and Equity	$ 1,843.0	$ 1,716.7

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.