Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current Assets:
Cash and cash equivalents	$ 441,625	$ 385,235
Accounts receivable, net of allowances for doubtful accounts	510,424	612,785
Inventory	297,195	328,453
Other current assets	110,024	191,020
Total Current Assets	1,359,268	1,517,493
Property and Equipment, at cost	2,770,569	2,772,580
Less accumulated depreciation	1,603,598	1,505,849
Net Property and Equipment	1,166,971	1,266,731
Other Assets:
Goodwill	448,289	426,872
Other non-current assets	263,042	218,440
Total Other Assets	711,331	645,312
Total Assets	3,237,570	3,429,536
Current Liabilities:
Accounts payable	95,303	118,277
Accrued liabilities	382,289	477,284
Income taxes payable	23,481	20,395
Total Current Liabilities	501,073	615,956
Long-term Debt	802,256	795,836
Other Long-term Liabilities	362,461	439,010
Commitments and Contingencies
Stockholders' Equity:
Common Stock	27,709	27,709
Additional paid-in capital	223,665	230,179
Treasury stock, at cost	(731,448)	(743,577)
Retained earnings	2,320,971	2,364,786
Accumulated other comprehensive income	(269,117)	(300,363)
Total Shareholders' Equity	1,571,780	1,578,734
Total Liabilities and Sharesholders' Equity	$ 3,237,570	$ 3,429,536