Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 24.2	$ 51.8
Accounts receivable, net	310.1	234.0
Inventories	333.1	307.2
Prepaid expenses and other current assets	24.5	40.8
Total current assets	691.9	633.8
Property, plant and equipment	2,197.4	2,099.4
Less accumulated depreciation	(705.7)	(673.8)
Property, plant and equipment, net	1,491.7	1,425.6
Goodwill and other intangible assets	76.5	58.9
Investments in affiliated companies	20.9	30.4
Other assets	40.6	38.7
Total assets	2,321.6	2,187.4
Current liabilities:
Current Portion of capital lease	0.9
Accounts payable	142.6	148.9
Accrued liabilities	120.7	143.7
Total current liabilities	$ 264.2	$ 292.6
Commitments and contingencies (see Note 11)
Long-term debt	$ 688.0	$ 576.5
Other non-current liabilities	151.9	138.7
Total liabilities	1,104.1	1,007.8
Stockholders' equity:
Common stock, $0.01 par value, 200.0 shares authorized, 106.4 shares and 106.0 shares issued at March 31, 2016 and December 31, 2015	1.1	1.1
Additional paid-in capital	727.4	715.8
Retained earnings	1,091.4	1,044.4
Accumulated other comprehensive loss	(103.5)	(123.9)
Total stockholders' equity including treasury stock value	1,716.4	1,637.4
Less – Treasury stock, at cost, 13.5 shares at March 31, 2016, and 12.5 shares at December 31, 2015	(498.9)	(457.8)
Total stockholders' equity	1,217.5	1,179.6
Total liabilities and stockholders' equity	$ 2,321.6	$ 2,187.4