Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 73.6	$ 70.8
Accounts and notes receivable, net	136.0	111.0
Inventories, net	113.8	104.0
Income taxes receivable	4.0	0.8
Other current assets	23.8	26.4
Total current assets	351.2	313.0
Property, plant, and equipment, less accumulated depreciation and amortization of $626.5 and $598.2, respectively	599.3	566.4
Operating lease assets	36.6	26.6
Finance lease assets	26.8	25.2
Prepaid pension costs	87.7	84.6
Investments in unconsolidated affiliates	29.6	17.4
Goodwill	193.8	175.5
Intangible assets, net	443.4	412.4
Other non-current assets	51.8	51.3
Total assets	1,820.2	1,672.4
Current liabilities:
Current installments of long-term debt	22.5	22.5
Accounts payable and accrued expenses	163.0	159.9
Operating lease liabilities	8.0	6.8
Finance lease liabilities	3.0	3.0
Income taxes payable	3.5	2.3
Total current liabilities	200.0	194.5
Long-term debt, less current installments	621.5	564.3
Operating lease liabilities	29.9	20.4
Finance lease liabilities	25.7	23.4
Postretirement benefit liabilities	40.8	42.4
Pension benefit liabilities	26.2	26.9
Other long-term liabilities	26.2	26.8
Income taxes payable	16.0	15.0
Deferred income taxes	164.9	166.9
Total non-current liabilities	951.2	886.1
Shareholders' equity:
Common stock, $0.01 par value per share, 200 million shares authorized, 63,166,429 shares issued and 43,787,757 shares outstanding as of June 30, 2024 and 63,054,340 shares issued and 43,902,061 shares outstanding as of December 31, 2023	0.6	0.6
Capital in excess of par value	595.1	591.7
Retained earnings	1,447.5	1,346.6
Treasury stock, at cost, 19,378,672 shares as of June 30, 2024 and 19,152,279 shares as of December 31, 2023	(1,267.7)	(1,242.4)
Accumulated other comprehensive (oss)	(106.5)	(104.7)
Total shareholders' equity	669.0	591.8
Total liabilities and shareholders' equity	$ 1,820.2	$ 1,672.4