Consolidated Balance Sheets - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 104,701	$ 145,290
Accounts receivable, less allowances (2018 - $5,589; 2017 - $5,143)	394,910	348,943
Inventories	250,217	241,962
Prepaid expenses and other current assets	54,544
Prepaid expenses and other current assets	(6,028)
Total current assets	804,372	768,721
Deferred income taxes	9,848	12,161
Property, plant and equipment	841,400	835,341
Less accumulated depreciation	(477,413)	(476,043)
Property, plant and equipment, net	363,987	359,298
Goodwill	705,294	690,223
Other intangible assets, net	501,809	507,042
Other assets	30,886	28,271
Total assets	2,416,196	2,365,716
Current liabilities
Notes and overdrafts payable	14,896	5,669
Accounts payable	132,076	127,521
Accrued liabilities	204,820	181,241
Long-term debt - current	3,008	1,330
Total current liabilities	354,800	315,761
Long-term debt	503,180	525,597
Accrued retirement benefits	87,760	89,000
Deferred income taxes	75,192	73,505
Long-term tax liability	79,770	79,770
Other liabilities	19,908	21,762
Commitments and contingencies (Note 14)
Stockholders' equity
Common stock - par value $0.01 per share Authorized: 150,000,000 shares Issued: at par value (2018 - 63,054,123 shares; 2017 - 63,034,240 shares)	631	630
Additional paid-in capital	460,239	457,365
Treasury stock, at cost (2018 - 10,190,418 shares; 2017 - 9,656,369 shares)	(331,607)	(297,998)
Retained earnings	1,261,540	1,206,723
Accumulated other non-owner changes to equity	(95,217)	(106,399)
Total stockholders' equity	1,295,586	1,260,321
Total liabilities and stockholders' equity	$ 2,416,196	$ 2,365,716