Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 412,098	$ 505,157
Notes receivable	5,886	8,750
Accounts receivable, less allowances of $7,532 at 2016 and $7,533 at 2015	430,043	371,757
Inventories at lower of cost or market:
Finished goods	387,742	297,967
Work in process	25,875	26,666
Raw materials and supplies	93,365	87,928
Inventories at lower of cost or market	506,982	412,561
Other current assets	49,085	36,405
Total current assets	1,404,094	1,334,630
Property, plant and equipment:
Land and land improvements	49,106	49,782
Buildings	279,054	277,034
Machinery and equipment	1,663,545	1,637,637
Molds, cores and rings	218,697	236,370
Total property, plant and equipment	2,210,402	2,200,823
Less: accumulated depreciation	1,407,468	1,405,625
Net property, plant and equipment	802,934	795,198
Goodwill	18,851	18,851
Intangibles, net of accumulated amortization of $69,188 at 2016 and $62,274 at 2015	132,300	133,490
Restricted cash	991	802
Deferred income tax assets	127,998	136,310
Other assets	17,306	16,895
Total assets	2,504,474	2,436,176
Current liabilities:
Notes payable	3,716	12,437
Accounts payable	214,961	215,850
Accrued liabilities	208,416	199,368
Income taxes payable	18,972	4,748
Current portion of long-term debt	600	600
Total current liabilities	446,665	433,003
Long-term debt	295,853	296,412
Postretirement benefits other than pensions	250,519	249,650
Pension benefits	280,971	304,621
Other long-term liabilities	143,008	132,594
Deferred income tax liabilities	2,085	2,285
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	23,225	16,306
Retained earnings	2,214,067	2,095,923
Accumulated other comprehensive loss	(515,608)	(509,767)
Parent stockholders' equity before treasury stock	1,809,534	1,690,312
Less: common shares in treasury at cost (33,368,351 at 2016 and 32,017,754 at 2015)	(761,097)	(711,064)
Total parent stockholders' equity	1,048,437	979,248
Noncontrolling shareholder interest in consolidated subsidiary	36,936	38,363
Total equity	1,085,373	1,017,611
Total liabilities and equity	$ 2,504,474	$ 2,436,176