Changes in Equity (Details) $ in Thousands	9 Months Ended
Sep. 30, 2015 USD ($)
Increase (Decrease) in Equity
Balances	$ 2,795,527
Exercise of stock options proceeds, including related tax effect	7,455
Dividends declared	(99,802)
Distributions to noncontrolling investors, net	(1,181)
Equity-based compensation	16,300
Comprehensive and net income (loss)	111,146
Balances	2,829,445
Common Stock
Increase (Decrease) in Equity
Balances	635
Exercise of stock options proceeds, including related tax effect	1
Balances	636
Additional Paid-in Capital
Increase (Decrease) in Equity
Balances	1,083,435
Exercise of stock options proceeds, including related tax effect	7,454
Equity-based compensation	13,943
Balances	1,104,832
Retained Earnings
Increase (Decrease) in Equity
Balances	2,227,843
Dividends declared	(99,802)
Equity-based compensation	(68)
Comprehensive and net income (loss)	122,928
Balances	2,250,901
Treasury Stock
Increase (Decrease) in Equity
Balances	(398,898)
Equity-based compensation	2,425
Balances	(396,473)
Noncontrolling Interests
Increase (Decrease) in Equity
Balances	(117,488)
Distributions to noncontrolling investors, net	(1,181)
Comprehensive and net income (loss)	(11,782)
Balances	(130,451)
Redeemable Noncontrolling Interest
Increase (Decrease) in Equity
Balances	126,340
Balances	$ 126,340

This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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