Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 351,817	$ 233,710
Notes receivable	47,646	71,661
Accounts receivable, less allowances of $10,622 at 2011 and $13,267 at 2012	415,460	427,782
Inventories at lower of cost or market:
Finished goods	380,839	294,384
Work in process	40,953	40,899
Raw materials and supplies	140,076	130,110
Total inventories at lower of cost or market	561,868	465,393
Other current assets	72,904	65,434
Total current assets	1,449,695	1,263,980
Property, plant and equipment:
Land and land improvements	32,336	32,432
Buildings	307,924	302,528
Machinery and equipment	1,767,117	1,672,235
Molds, cores and rings	221,811	231,824
Total property, plant and equipment	2,329,188	2,239,019
Less accumulated depreciation and amortization	1,399,933	1,339,975
Net property, plant and equipment	929,255	899,044
Goodwill	18,851	18,851
Intangibles, net of accumulated amortization of $47,590 at 2011 and $48,340 at 2012	150,017	98,487
Restricted cash	7,741	2,475
Deferred income tax assets	228,849	206,493
Other assets	16,752	20,588
Total assets	2,801,160	2,509,918
Current liabilities:
Notes payable	32,836	131,651
Accounts payable	379,867	339,215
Accrued liabilities	221,822	152,306
Income taxes payable	18,297	6,646
Current portion of long-term debt	2,319	21,199
Total current liabilities	655,141	651,017
Long-term debt	336,142	329,496
Postretirement benefits other than pensions	291,546	293,267
Pension benefits	432,922	360,632
Other long-term liabilities	168,967	168,703
Deferred income tax liabilities	8,026	8,913
Equity:
Preferred stock, $1 par value; 5,000,000 shares authorized; none issued
Common stock, $1 par value; 300,000,000 shares authorized; 87,850,292 shares issued at 2011 and at 2012	87,850	87,850
Capital in excess of par value	919	1,042
Retained earnings	1,657,936	1,464,392
Cumulative other comprehensive loss	(551,526)	(520,878)
Parent stockholders' equity before treasury stock	1,195,179	1,032,406
Less: common shares in treasury at cost (25,551,636 at 2011 and 24,691,431 at 2012)	(437,555)	(454,605)
Total parent stockholders' equity	757,624	577,801
Noncontrolling shareholders' interests in consolidated subsidiaries	150,792	120,089
Total equity	908,416	697,890
Total liabilities and equity	$ 2,801,160	$ 2,509,918