Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 105.7	$ 112.0
Accounts receivable, net	265.3	222.7
Inventories, net	354.6	319.3
Contract assets	28.6	32.0
Prepaid expenses and other current assets	44.2	38.9
Assets held for sale	9.5	9.5
Total current assets	807.9	734.4
Property, plant and equipment	3,116.1	3,087.9
Less accumulated depreciation	(1,465.4)	(1,430.1)
Net property, plant and equipment	1,650.7	1,657.8
Goodwill and other intangible assets, net	255.2	256.0
Investments in affiliated companies	52.7	47.6
Other assets	140.8	141.5
Total assets	2,907.3	2,837.3
Current liabilities:
Short-term borrowings	0.2	0.2
Accounts payable	122.0	155.5
Accrued compensation and benefits	61.0	69.6
Financial instruments	15.0	22.0
Accrued liabilities	91.9	82.5
Total current liabilities	290.1	329.8
Long-term debt	768.5	723.3
Retirement obligations	44.3	42.7
Deferred income taxes	123.9	126.4
Other non-current liabilities	58.3	60.9
Total liabilities	1,285.1	1,283.1
Stockholders' equity:
Common stock, $0.01 par value, 200.0 shares authorized, 110.6 shares and 110.4 shares issued at March 31, 2023 and December 31, 2022, respectively	1.1	1.1
Additional paid-in capital	920.8	905.0
Retained earnings	2,137.2	2,104.9
Accumulated other comprehensive loss	(152.1)	(174.4)
Total stockholders' equity including treasury stock value	2,907.0	2,836.6
Less -Treasury stock, at cost, 26.2 shares at March 31, 2023 and 26.2 shares at December 31, 2022	(1,284.8)	(1,282.4)
Total stockholders' equity	1,622.2	1,554.2
Total liabilities and stockholders' equity	$ 2,907.3	$ 2,837.3