Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 119.0	$ 136.9
Accounts and notes receivable, net	92.9	78.3
Inventories, net	83.1	81.5
Income taxes receivable	2.1	2.3
Other current assets	20.4	12.8
Total current assets	317.5	311.8
Property, plant, and equipment, less accumulated depreciation and amortization of $471.0 and $487.1, respectively	527.6	529.9
Operating lease assets	20.5	19.2
Finance lease assets	19.3	20.4
Prepaid pension costs	121.2	119.5
Investment in joint venture	50.0	41.2
Goodwill	166.8	160.7
Intangible assets, net	434.2	457.5
Income taxes receivable		0.6
Other non-current assets	59.6	57.7
Total assets	1,716.7	1,718.5
Current liabilities:
Current installments of long-term debt	25.0	25.0
Accounts payable and accrued expenses	140.0	136.5
Operating lease liabilities	5.3	4.8
Finance lease liabilities	2.1	2.0
Income taxes payable	5.2	4.0
Total current liabilities	177.6	172.3
Long-term debt, less current installments	653.4	690.5
Operating lease liabilities	15.4	14.6
Finance lease liabilities	17.7	18.8
Postretirement benefit liabilities	71.6	74.9
Pension benefit liabilities	39.3	40.4
Other long-term liabilities	56.0	76.5
Income taxes payable	21.8	21.2
Deferred income taxes	165.6	158.4
Total non-current liabilities	1,040.8	1,095.3
Shareholders' equity:
Common stock, $0.01 par value per share, 200 million shares authorized, 62,738,546 shares issued and 47,732,943 shares outstanding as of June 30, 2021 and 62,599,331 shares issued and 47,913,821 shares outstanding as of December 31, 2020	0.6	0.6
Capital in excess of par value	554.7	553.7
Retained earnings	939.8	869.8
Treasury stock, at cost, 15,005,603 shares as of June 30, 2021 and 14,685,510 shares as of December 31, 2020	(893.9)	(863.9)
Accumulated other comprehensive (loss)	(102.9)	(109.3)
Total shareholders' equity	498.3	450.9
Total liabilities and shareholders' equity	$ 1,716.7	$ 1,718.5