Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2011

Fair Value of Financial Instruments [Abstract]

Estimated fair value of financial instruments

	September 30, 2011				December 31, 2010
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Assets:
Cash and cash equivalents	$	266,312	$	266,312	$	299,169	$	299,169
Available-for-sale securities		29,365		29,365		31,570		31,570
Trading securities		30,364		30,364		35,092		35,092
Liabilities:
Credit Facility		5,961,852		5,585,578		5,999,337		5,882,124
Senior notes		2,784,331		2,728,644		2,784,331		2,923,548
Other debt		34,091		34,091		36,122		36,122

Interest rate swaps

Swap #	Notional Amount (in 000’s)		Fixed Interest Rate			Termination Date		Fair Value (in 000’s)
1	$	100,000		3.0230	%		October 23, 2011	$	176
2		200,000		4.4815	%		October 26, 2011		582
3		200,000		4.0840	%		December 3, 2011		1,339
4		100,000		3.8470	%		January 4, 2012		901
5		100,000		3.8510	%		January 4, 2012		902
6		100,000		3.8560	%		January 4, 2012		904
7		200,000		3.7260	%		January 8, 2012		1,827
8		200,000		3.5065	%		January 16, 2012		1,836
9		250,000		5.0185	%		May 30, 2012		7,447
10		150,000		5.0250	%		May 30, 2012		4,475
11		200,000		4.6845	%		September 11, 2012		7,784
12		100,000		3.3520	%		October 23, 2012		2,952
13		125,000		4.3745	%		November 23, 2012		5,406
14		75,000		4.3800	%		November 23, 2012		3,248
15		150,000		5.0200	%		November 30, 2012		7,696
16		200,000		2.2420	%		February 28, 2013		4,674
17		100,000		5.0230	%		May 30, 2013		7,170
18		300,000		5.2420	%		August 6, 2013		24,883
19		100,000		5.0380	%		August 30, 2013		8,183
20		50,000		3.5860	%		October 23, 2013		2,945
21		50,000		3.5240	%		October 23, 2013		2,885
22		100,000		5.0500	%		November 30, 2013		9,125
23		200,000		2.0700	%		December 19, 2013		6,161
24		100,000		5.2310	%		July 25, 2014		11,766
25		100,000		5.2310	%		July 25, 2014		11,769
26		200,000		5.1600	%		July 25, 2014		23,172
27		75,000		5.0405	%		July 25, 2014		8,453
28		125,000		5.0215	%		July 25, 2014		14,027
29		100,000		2.6210	%		July 25, 2014		5,005
30		100,000		3.1100	%		July 25, 2014		6,275
31		100,000		3.2580	%		July 25, 2014		6,658
32		200,000		2.6930	%		October 26, 2014		10,589	(1)
33		300,000		3.4470	%		August 8, 2016		27,835
34		200,000		3.4285	%		August 19, 2016		18,452
35		100,000		3.4010	%		August 19, 2016		9,132
36		200,000		3.5000	%		August 30, 2016		19,124
37		100,000		3.0050	%		November 30, 2016		7,508

(1) This interest rate swap becomes effective October 26, 2011, concurrent with the termination of swap #2.

Amount of pre-tax loss recognized in the condensed consolidated balance sheets as a component of other comprehensive income

Derivatives in Cash Flow Hedging Relationships	Amount of Pre-Tax Loss Recognized in OCI on Derivative  (Effective Portion)
	Three Months Ended September 30,						Nine Months Ended September 30,
	2011			2010			2011			2010
Interest rate swaps	$	(49,499	)	$	(102,522	)	$	(113,071	)	$	(281,086	)

Effective portion of the pre-tax loss reclassified from accumulated other comprehensive loss ("OCL") into interest expense on the condensed consolidated statements of income

Location of Loss Reclassified from AOCL into Income (Effective Portion)	Amount of Pre-Tax Loss Reclassified from AOCL into Income  (Effective Portion)
	Three Months Ended September 30,				Nine Months Ended September 30,
	2011		2010		2011		2010
Interest expense, net	$	53,758	$	53,639	$	160,331	$	161,811

Fair value of derivative instruments in the condensed consolidated balance sheets

Asset Derivatives

Liability Derivatives

September 30, 2011

December 31, 2010

September 30, 2011

December 31, 2010

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Balance Sheet Location

Fair Value

Derivatives designated as hedging instruments

Other assets, net

$

—

Other assets, net

$

—

Other long-term liabilities

$

293,266

Other long-term liabilities

$

340,526