Consolidated Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income (loss)	$ 200,888		$ 171,460	$ (311,259)
Adjustments to reconcile net income (loss) to net cash provided by (used for) operating activities:
Depreciation, amortization and accretion	622,592		552,951	540,771
Gains (losses) on retirement of long-term obligations	131,974	[1]	0	138,367	[2]
Amortization of deferred financing costs and other non-cash interest	109,350		102,943	85,454
Stock-based compensation expense	41,944		32,610	36,540
Asset write-down charges	15,548		22,285	13,687
Deferred income tax benefit (provision)	(110,374)		4,626	(26,196)
Income (expense) from forward-starting interest rate swaps	0		0	286,435
Other adjustments	612		4,122	857
Changes in assets and liabilities, excluding the effects of acquisitions:
Increase (decrease) in accrued interest	(13,520)		201	(4,285)
Increase (decrease) in accounts payable	34,543		(7,497)	1,702
Increase (decrease) in deferred revenues, deferred ground lease payables, other accrued liabilities and other liabilities	98,686		19,606	39,012
Decrease (increase) in receivables	(98,570)		(17,407)	(11,653)
Decrease (increase) in prepaid expenses, deferred site rental receivables, long-term prepaid rent, restricted cash and other assets	(261,116)		(242,446)	(186,002)
Net cash provided by (used for) operating activities	772,557		643,454	603,430
Cash flows from investing activities:
Payment for acquisitions of businesses, net of cash acquired	(3,759,475)		(37,551)	(139,158)
Capital expenditures	(441,383)		(347,942)	(228,058)
Other investing activities, net	1,262		(14,372)	(23,733)
Net cash provided by (used for) investing activities	(4,199,596)		(399,865)	(390,949)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	5,250,000		0	3,450,000
Proceeds from issuance of capital stock	258		1,557	18,731
Principal payments on debt and other long-term obligations	(80,818)		(35,345)	(26,398)
Purchases and redemptions of long-term debt	(1,978,709)		0	(3,541,312)
Purchases of capital stock	(36,043)		(303,414)	(159,639)
Purchases of preferred stock	0		(15,002)	0
Borrowings under revolving credit facility	1,253,000		283,000	157,000
Payments under revolving credit facility	(251,000)		(189,000)	0
Payments for financing costs	(78,641)		0	(59,259)
Payments for forward-starting interest rate swap settlements	0		0	(697,821)
Net (increase) decrease in restricted cash	(288,763)		1,979	11,953
Dividends on preferred stock	(2,481)		(19,487)	(19,879)
Net cash provided by (used for) financing activities	3,786,803		(275,712)	(866,624)
Effect of exchange rate changes on cash	1,480		(288)	528
Net increase (decrease) in cash and cash equivalents	361,244		(32,411)	(653,615)
Cash and cash equivalents at beginning of year	80,120		112,531	766,146
Cash and cash equivalents at end of year	$ 441,364		$ 80,120	$ 112,531

[1] Inclusive of $48.1 million related to the write-off of deferred financing costs and discounts. In addition, the remainder relates to cash losses including with respect to make whole payments.

[2] Inclusive of $23.4 million related to the write-off of deferred financing costs and discounts.