Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 79,387	$ 145,290
Accounts receivable, less allowances (2018 - $5,490; 2017 - $5,143)	372,531	348,943
Inventories	258,374	241,962
Prepaid expenses and other current assets	53,281	32,526
Total current assets	763,573	768,721
Deferred income taxes	11,336	12,161
Property, plant and equipment	837,630	835,341
Less accumulated depreciation	(478,762)	(476,043)
Property, plant and equipment, net	358,868	359,298
Goodwill	688,227	690,223
Other intangible assets, net	489,977	507,042
Other assets	32,462	28,271
Total assets	2,344,443	2,365,716
Current liabilities
Notes and overdrafts payable	63	5,669
Accounts payable	130,756	127,521
Accrued liabilities	203,481	181,241
Long-term debt - current	2,496	1,330
Total current liabilities	336,796	315,761
Long-term debt	560,645	525,597
Accrued retirement benefits	82,901	89,000
Deferred income taxes	64,746	73,505
Long-term tax liability	72,305	79,770
Other liabilities	20,145	21,762
Commitments and contingencies (Note 15)
Stockholders' equity
Common stock - par value $0.01 per share Authorized: 150,000,000 shares Issued: at par value (2018 - 63,293,460 shares; 2017 - 63,034,240 shares)	633	630
Additional paid-in capital	466,610	457,365
Treasury stock, at cost (2018 - 12,029,624 shares; 2017 - 9,656,369 shares)	(441,422)	(297,998)
Retained earnings	1,333,216	1,206,723
Accumulated other non-owner changes to equity	(152,132)	(106,399)
Total stockholders' equity	1,206,905	1,260,321
Total liabilities and stockholders' equity	$ 2,344,443	$ 2,365,716