Selected Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2015

Selected Quarterly Financial Information [Abstract]

Schedule of quarterly financial information

Selected quarterly financial data for the years ended December 31, 2015 and 2014 is as follows (in thousands, except per share data):

	Three Months Ended												Year Ended December 31,
	March 31,			June 30,			September 30,			December 31,
2015:
Operating revenues	$	1,079,190		$	1,174,375		$	1,237,910		$	1,280,041		$	4,771,516
Costs of operations (1)	264,640			322,458			365,389			356,381			1,308,868
Operating income	419,966			389,774			400,925			402,124			1,612,789
Net income	195,492			157,180			97,740			221,595			672,007
Net income attributable to American Tower Corporation stockholders	193,317			156,056			102,999			232,702			685,074
Dividends on preferred stock	(9,819		)	(26,782		)	(26,781		)	(26,781		)	(90,163		)
Net income attributable to American Tower Corporation common stockholders	183,498			129,274			76,218			205,921			594,911
Basic net income per share attributable to American Tower Corporation common stockholders	0.45			0.31			0.18			0.49			1.42
Diluted net income per share attributable to American Tower Corporation common stockholders	0.45			0.30			0.18			0.48			1.41

	Three Months Ended											Year Ended December 31,
	March 31,		June 30,			September 30,			December 31,
2014:
Operating revenues	$	984,089	$	1,031,457		$	1,038,188		$	1,046,314		$	4,100,048
Costs of operations (1)	260,769		272,275			284,202			277,019			1,094,265
Operating income	353,637		402,499			384,807			345,979			1,486,922
Net income	193,313		221,659			206,630			181,597			803,199
Net income attributable to American Tower Corporation stockholders	202,499		234,431			207,593			180,387			824,910
Dividends on preferred stock	—		(4,375		)	(7,700		)	(11,813		)	(23,888		)
Net income attributable to American Tower Corporation common stockholders	202,499		230,056			199,893			168,574			801,022
Basic net income per share attributable to American Tower Corporation common stockholders	0.51		0.58			0.50			0.43			2.02
Diluted net income per share attributable to American Tower Corporation common stockholders	0.51		0.58			0.50			0.42			2.00

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(1) Represents Operating expenses, exclusive of Depreciation, amortization and accretion, Selling, general, administrative and development expense, and Other operating expenses.