Represents an increase in noncontrolling interest from issuance of additional equity interests to noncontrolling interest holders or the sale of a portion of the parent's controlling interest.

+ References+ Details

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

+ References+ Details

- Definition

Value of stock issued as a result of the exercise of stock options.

+ References+ Details

Changes in Equity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Increase (Decrease) in Equity
Balances			$ 2,377,842
Proceeds from the exercise of stock options, including related tax effect			10,591
Dividends declared			(48,511)
Equity-based compensation and issuance of restricted stock			6,513
Contributions from noncontrolling investors			126
Distributions to noncontrolling investors			(349)
Net income (loss)	23,273	39,305	64,525	81,082
Balances	2,410,737		2,410,737
Common Stock
Increase (Decrease) in Equity
Balances			637
Proceeds from the exercise of stock options, including related tax effect			3
Balances	640		640
Additional Paid-In Capital
Increase (Decrease) in Equity
Balances			1,037,687
Proceeds from the exercise of stock options, including related tax effect			10,588
Equity-based compensation and issuance of restricted stock			4,427
Acquisition of noncontrolling interest			(2,232)
Balances	1,050,470		1,050,470
Retained Earnings
Increase (Decrease) in Equity
Balances			2,087,620
Dividends declared			(48,511)
Equity-based compensation and issuance of restricted stock			(20)
Net income (loss)			77,173
Balances	2,116,262		2,116,262
Treasury Stock
Increase (Decrease) in Equity
Balances			(720,479)
Equity-based compensation and issuance of restricted stock			2,106
Balances	(718,373)		(718,373)
Noncontrolling Interests
Increase (Decrease) in Equity
Balances			(27,623)
Acquisition of noncontrolling interest			2,232
Contributions from noncontrolling investors			126
Distributions to noncontrolling investors			(349)
Net income (loss)			(12,648)
Balances	(38,262)		(38,262)
Redeemable Noncontrolling Interests
Increase (Decrease) in Equity
Balances			98,814
Contributions from noncontrolling investors			5,920
Balances	$ 104,734		$ 104,734