Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 112.8	$ 127.7
Accounts receivable, net	212.1	160.3
Inventories, net	265.9	245.7
Contract assets	32.5	30.5
Prepaid expenses and other current assets	47.9	39.5
Assets held for sale	13.2	12.6
Total current assets	684.4	616.3
Property, plant and equipment	3,088.7	3,110.0
Less accumulated depreciation	(1,376.9)	(1,363.9)
Net property, plant and equipment	1,711.8	1,746.1
Goodwill and other intangible assets, net	264.0	267.5
Investments in affiliated companies	45.6	44.6
Other assets	147.7	144.9
Total assets	2,853.5	2,819.4
Current liabilities:
Short-term borrowings	0.7	0.9
Accounts payable	112.5	113.2
Accrued compensation and benefits	52.3	54.4
Financial instruments	7.8	5.7
Accrued liabilities	73.8	73.4
Total current liabilities	247.1	247.6
Long-term debt	857.5	822.4
Retirement obligations	52.4	52.6
Deferred income taxes	135.5	140.0
Other non-current liabilities	73.9	71.3
Total liabilities	1,366.4	1,333.9
Stockholders' equity:
Common stock, $0.01 par value, 200.0 shares authorized, 110.0 shares and 109.7 shares issued at June 30, 2021 and December 31, 2020, respectively	1.1	1.1
Additional paid-in capital	889.9	878.6
Retained earnings	2,021.8	2,012.5
Accumulated other comprehensive loss	(144.1)	(126.5)
Total stockholders' equity including treasury stock value	2,768.7	2,765.7
Less – Treasury stock, at cost, 26.1 shares at June 30, 2021 and 26.1 shares at December 31, 2020.	(1,281.6)	(1,280.2)
Total stockholders' equity	1,487.1	1,485.5
Total liabilities and stockholders' equity	$ 2,853.5	$ 2,819.4