Consolidated Balance Sheets - USD ($)	Dec. 31, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 551,557,527	$ 497,429,804
Short-term investments	4,547,355	0
Accounts receivable	195,969,400	168,008,704
Inventories	174,695,411	141,757,884
Prepaid expenses and other	57,239,099	49,441,302
Total current assets	984,008,792	856,637,694
PLANT AND EQUIPMENT:
Land, buildings and improvements	232,665,249	231,160,686
Machinery and equipment	616,335,223	554,425,200
Construction-in-process	84,980,367	56,685,789
Total Plant and Equipment	933,980,839	842,271,675
Less- Accumulated depreciation	(521,260,569)	(468,880,683)
Net Plant and Equipment	412,720,270	373,390,992
OTHER ASSETS:
Goodwill	307,365,845	307,365,845
Long-term investments	95,156,539	114,642,567
Intangible Assets, net	327,575,000	346,875,000
Patents and other assets, net	21,846,482	23,627,931
Total other assets	751,943,866	792,511,343
TOTAL ASSETS	2,148,672,928	2,022,540,029
CURRENT LIABILITIES:
Accounts payable	66,353,774	71,456,983
Accrued liabilities:
Salaries, wages and vacation	9,324,470	8,984,609
Income Taxes	148,251	768,142
Royalties	10,373,152	12,051,121
Dividends declared	24,759,481	23,619,837
Current portion of long term debt	7,500,000	7,500,000
Other	12,547,418	9,050,471
Total current liabilities	131,006,546	133,431,163
LONG TERM DEBT	225,625,000	258,125,000
DEFERRED INCOME TAXES	69,524,621	59,571,421
TOTAL LIABILITIES	426,156,167	451,127,584
SHAREHOLDERS’ INVESTMENT:
Preferred stock, no par value, 5,000,000 shares authorized; none issued or outstanding	0	0
Common stock, par value $.06 per share; 400,000,000 shares authorized; 291,338,011 and 295,247,958 shares issued and outstanding in 2015 and 2014 respectively.	17,480,281	17,714,877
Additional paid-in capital	596,782,695	553,836,483
Retained earnings	1,109,384,621	988,548,070
Accumulated other comprehensive income:
Unrealized gain on investments	829,907	10,868,322
Unrealized gain (loss) on derivatives	(1,915,834)	(959,206)
Cumulative translation adjustment	(44,909)	1,403,899
Total shareholders’ investment	1,722,516,761	1,571,412,445
TOTAL LIABILITES AND SHAREHOLDERS' INVESTMENT	$ 2,148,672,928	$ 2,022,540,029