Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Data (Unaudited)

Schedule of quarterly financial data

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
2013
Total revenue	$	1,215,058	$	1,236,563	$	1,302,256	$	1,416,260
Operating income		557,689		564,890		600,565		692,546
Consolidated net income		334,468		400,525		367,293		449,304
Net income attributable to common stockholders		283,138		339,936		311,675		381,555
Net income per share — Basic	$	0.91	$	1.10	$	1.00	$	1.23
Net income per share — Diluted	$	0.91	$	1.10	$	1.00	$	1.23
Weighted average shares outstanding		309,986,506		310,261,278		310,332,777		310,434,337
Diluted weighted average shares outstanding		309,986,709		310,261,278		310,332,777		310,434,337
2012
Total revenue	$	1,118,969	$	1,188,066	$	1,228,617	$	1,344,431
Operating income		516,721		524,327		564,953		614,598
Consolidated net income		781,829		260,936		306,371		370,496
Net income attributable to common stockholders		645,410		215,445		254,921		315,383
Net income per share — Basic	$	2.18	$	0.71	$	0.84	$	1.01
Net income per share — Diluted	$	2.18	$	0.71	$	0.84	$	1.01
Weighted average shares outstanding		295,693,410		303,252,359		304,107,489		303,137,350
Diluted weighted average shares outstanding		295,694,520		303,253,401		304,108,559		303,138,422