CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 121,565	$ 189,241
Trade and other receivables, net	238,972	261,392
Inventories	121,332	123,490
Prepaid expenses and other assets	220,579	226,960
Derivative financial instruments	134,574
Total current assets	837,022	801,083
Property and equipment, net	18,777,778	18,193,627
Goodwill	286,764	420,542
Other assets	1,020,291	1,297,938
Total assets	20,921,855	20,713,190
Current liabilities
Current portion of long-term debt	899,677	799,630
Accounts payable	302,072	331,505
Accrued interest	38,325	49,074
Accrued expenses and other liabilities	658,601	635,138
Derivative financial instruments	651,866	266,986
Customer deposits	1,742,286	1,766,914
Total current liabilities	4,292,827	3,849,247
Long-term debt	7,767,378	7,644,318
Other long-term liabilities	$ 798,611	$ 935,266
Commitments and contingencies
Preferred stock ($0.01 par value; 20,000,000 shares authorized; none outstanding)	$ 0	$ 0
Shareholders' equity
Common stock ($0.01 par value; 500,000,000 shares authorized; 233,905,166 and 233,106,019 shares issued, December 31, 2015 and December 31, 2014, respectively)	2,339	2,331
Paid-in capital	3,297,619	3,253,552
Retained earnings	6,944,862	6,575,248
Accumulated other comprehensive loss	(1,328,433)	(896,994)
Treasury stock (15,911,971 and 13,808,683 common shares at cost, December 31, 2015 and December 31, 2014, respectively)	(853,348)	(649,778)
Total shareholders' equity	8,063,039	8,284,359
Total liabilities and shareholders' equity	$ 20,921,855	$ 20,713,190

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).