Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 472,381	$ 450,193
Accounts receivable, net of allowances for doubtful accounts	464,547	489,749
Inventory	245,783	280,130
Other current assets	50,064	42,523
Total Current Assets	1,232,775	1,262,595
Property and Equipment, at cost	2,790,056	2,728,125
Less accumulated depreciation	1,706,703	1,574,867
Net Property and Equipment	1,083,353	1,153,258
Other Assets:
Goodwill	464,772	443,551
Other non-current assets	363,783	270,911
Total Other Assets	828,555	714,462
Total Assets	3,144,683	3,130,315
Current Liabilities:
Accounts payable	89,438	77,593
Accrued liabilities	372,018	430,771
Total Current Liabilities	461,456	508,364
Long-term Debt	795,805	793,058
Other Long-term Liabilities	387,464	312,250
Commitments and Contingencies
Stockholders' Equity:
Common Stock	27,709	27,709
Additional paid-in capital	224,542	227,566
Treasury stock, at cost	(719,096)	(731,202)
Retained earnings	2,243,844	2,295,234
Accumulated other comprehensive income	(282,395)	(302,664)
Total Shareholders' Equity	1,494,604	1,516,643
Stockholders' Equity Attributable to Noncontrolling Interest	5,354	0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,499,958	1,516,643
Total Liabilities and Sharesholders' Equity	$ 3,144,683	$ 3,130,315