Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 90,978	$ 62,505
Accounts receivable, less allowances (2012 - $2,909; 2011 - $2,898)	205,262	200,460
Inventories	216,040	216,520
Deferred income taxes	30,691	28,829
Prepaid expenses and other current assets	23,330	21,680
Total current assets	566,301	529,994
Deferred income taxes	42,673	47,661
Property, plant and equipment	606,361	603,383
Less accumulated depreciation	(399,013)	(392,599)
Property, plant and equipment, net	207,348	210,784
Goodwill	361,863	366,104
Other intangible assets, net	264,949	272,092
Other assets	14,098	13,730
Total assets	1,457,232	1,440,365
Liabilities and Stockholders' Equity
Notes and overdrafts payable	1,840	12,364
Accounts payable	91,157	92,524
Accrued liabilities	74,258	92,250
Long-term debt - current	540	540
Total current liabilities	167,795	197,678
Long-term debt	383,461	333,148
Accrued retirement benefits	130,813	152,696
Other liabilities	34,449	34,443
Commitments and contingencies (Note 12)
Stockholders' Equity
Common Stock - par value $0.01 per share Authorized: 150,000,000 shares Issued: at par value (2012 - 58,953,991 shares; 2011 - 58,593,802 shares)	590	586
Additional paid in capital	325,223	316,251
Treasury stock, at cost (2012 - 4,981,750 shares; 2011 - 4,254,350 shares)	(99,333)	(79,569)
Retained earnings	596,229	560,186
Accumulated other non-owner changes to equity	(81,995)	(75,054)
Total stockholders' equity	740,714	722,400
Total liabilities and stockholders' equity	$ 1,457,232	$ 1,440,365