Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 244,153	$ 351,817
Notes receivable	64,883	47,646
Accounts receivable, less allowances of $13,267 at 2012 and $16,425 at 2013	468,006	415,460
Inventories at lower of cost or market:
Finished goods	461,616	380,839
Work in process	40,650	40,953
Raw materials and supplies	151,830	140,076
Inventories at lower of cost or market	654,096	561,868
Other current assets	93,524	72,904
Total current assets	1,524,662	1,449,695
Property, plant and equipment:
Land and land improvements	34,858	32,336
Buildings	315,331	307,924
Machinery and equipment	1,807,387	1,767,117
Molds, cores and rings	227,170	221,811
Total property, plant and equipment	2,384,746	2,329,188
Less accumulated depreciation and amortization	1,435,255	1,399,933
Net property, plant and equipment	949,491	929,255
Goodwill	18,851	18,851
Intangibles, net of accumulated amortization of $48,340 at 2012 and $54,752 at 2013	160,613	150,017
Restricted cash	4,116	7,741
Deferred income taxes	216,373	228,849
Other assets	16,992	16,752
Total assets	2,891,098	2,801,160
Current liabilities:
Notes payable	47,684	32,836
Accounts payable	341,401	379,867
Accrued liabilities	231,728	221,822
Income taxes	12,823	18,297
Current portion of long-term debt	21,245	2,319
Total current liabilities	654,881	655,141
Long-term debt	326,877	336,142
Postretirement benefits other than pensions	293,765	291,546
Pension benefits	414,349	432,922
Other long-term liabilities	178,049	168,967
Deferred income tax liabilities	7,749	8,026
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	87,850	87,850
Capital in excess of par value	2,143	919
Retained earnings	1,735,516	1,657,936
Cumulative other comprehensive loss	(532,080)	(551,526)
Parent stockholders' equity before treasury stock	1,293,429	1,195,179
Less: common shares in treasury at cost (24,691,431 at 2012 and 24,537,168 at 2013)	(433,625)	(437,555)
Total parent stockholders' equity	859,804	757,624
Noncontrolling shareholders' interests in consolidated subsidiaries	155,624	150,792
Total equity	1,015,428	908,416
Total liabilities and equity	$ 2,891,098	$ 2,801,160