Condensed Consolidated Statement of Operations and Comprehensive Income (Loss) (USD $) Share data in Thousands, except Per Share data	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Net revenues:
Site rental	$ 457,103,000		$ 409,631,000		$ 913,299,000		$ 816,503,000
Network services and other	43,233,000		46,496,000		86,076,000		83,951,000
Net revenues	500,336,000		456,127,000		999,375,000		900,454,000
Operating expenses:
Site rental	121,143,000	[1]	115,465,000	[1]	239,558,000	[1]	229,220,000	[1]
Network services and other	25,906,000	[1]	29,927,000	[1]	53,130,000	[1]	56,223,000	[1]
General and administrative	41,259,000		40,556,000		86,003,000		80,029,000
Asset write-down charges	6,205,000		2,597,000		10,606,000		4,159,000
Acquisition and integration costs	490,000		272,000		1,044,000		272,000
Depreciation, amortization and accretion	138,191,000		134,426,000		275,464,000		267,294,000
Total operating expenses	333,194,000		323,243,000		665,805,000		637,197,000
Operating income (loss)	167,142,000		132,884,000		333,570,000		263,257,000
Interest expense and amortization of deferred financing costs	(126,483,000)		(120,345,000)		(253,169,000)		(241,126,000)
Gains (losses) on purchases and redemptions of debt	0		0		0		(66,434,000)
Net gain (loss) on interest rate swaps	0		(114,598,000)		0		(187,874,000)
Interest and other income (expense)	(3,890,000)		(241,000)		(4,325,000)		138,000
Income (loss) before income taxes	36,769,000		(102,300,000)		76,076,000		(232,039,000)
Benefit (provision) for income taxes	(5,755,000)		4,686,000		(4,938,000)		15,025,000
Net income (loss)	31,014,000		(97,614,000)		71,138,000		(217,014,000)
Less: Net income (loss) attributable to the noncontrolling interest	143,000		(85,000)		250,000		(210,000)
Net income (loss) attributable to CCIC stockholders	30,871,000		(97,529,000)		70,888,000		(216,804,000)
Dividends on preferred stock	(5,202,000)		(5,202,000)		(10,403,000)		(10,403,000)
Net income (loss) attributable to CCIC stockholders after deduction of dividends on preferred stock	25,669,000		(102,731,000)		60,485,000		(227,207,000)
Net income (loss)	31,014,000		(97,614,000)		71,138,000		(217,014,000)
Available-for-sale securities, net of tax of $0, $0, $0 and $0, respectively:
Unrealized gains (losses) on available-for-sale securities, net of taxes	(1,160,000)		184,000		(7,537,000)		1,423,000
Derivative instruments net of taxes of $0, $(866,000), $0, and $(13,215,000), respectively:
Net change in fair value of cash flow hedging instruments, net of taxes	(425,000)		(72,613,000)		(850,000)		(121,546,000)
Amounts reclassified into results of operations, net of taxes	17,959,000		11,484,000		35,848,000		22,680,000
Foreign currency translation adjustments	6,084,000		(14,772,000)		10,154,000		(9,011,000)
Comprehensive income (loss)	53,472,000		(173,331,000)		108,753,000		(323,468,000)
Less: Comprehensive income (loss) attributable to the noncontrolling interest	150,000		(71,000)		633,000		(45,000)
Comprehensive income (loss) attributable to CCIC stockholders	$ 53,322,000		$ (173,260,000)		$ 108,120,000		$ (323,423,000)
Net income (loss) attributable to CCIC common stockholders, after deduction of dividends on preferred stock, per common share:
Basic	$ 0.09		$ (0.36)		$ 0.21		$ (0.79)
Diluted	$ 0.09		$ (0.36)		$ 0.21		$ (0.79)
Weighted-average common shares outstanding (in thousands):
Basic	285,280		286,080		286,139		287,266
Diluted	287,026		286,080		288,215		287,266

[1] Exclusive of depreciation, amortization and accretion shown separately.