Fair Value of Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2014

Carrying Amounts and Fair Values of Financial Instruments

The carrying amounts (including fair value adjustments previously recognized in acquisition purchase accounting) and fair values of the financial instruments are as follows:

			At Fair Value as of June 30, 2014
Recurring Fair Value Measures	Carrying Amount		Level 1		Level 2		Level 3		Total
Preferred stock with mandatory redemption       requirements	$	17,614	$	0	$	0	$	22,594	$	22,594
Long-term debt (excluding capital lease obligations)		5,230,028		2,414,488		1,492,834		2,198,648		6,105,970
			At Fair Value as of December 31, 2013
Recurring Fair Value Measures	Carrying Amount		Level 1		Level 2		Level 3		Total
Preferred stock with mandatory redemption       requirements	$	18,827	$	0	$	0	$	22,795	$	22,795
Long-term debt (excluding capital lease obligations)		5,224,492		2,263,355		1,462,404		2,057,506		5,783,265

Fair Value Measurements of Assets and Liabilities on Recurring Basis

Recurring Fair Value Measurements

The following table presents assets and liabilities measured and recorded at fair value on a recurring basis and their level within the fair value hierarchy as of June 30, 2014 and December 31, 2013, respectively:

	At Fair Value as of June 30, 2014
Recurring Fair Value Measures	Level 1		Level 2			Level 3		Total
Assets
Restricted funds	$	41,184	$	0		$	0	$	41,184
Rabbi trust investments		0		425			0		425
Deposits		1,123		0			0		1,123
Mark-to-market derivative asset		0		4,573			0		4,573
Total assets		42,307		4,998			0		47,305
Liabilities
Deferred compensation obligation		0		11,297			0		11,297
Mark-to-market derivative liability		0		1,177			0		1,177
Total liabilities		0		12,474			0		12,474
Total net assets (liabilities)	$	42,307	$	(7,476	)	$	0	$	34,831

	At Fair Value as of December 31, 2013
Recurring Fair Value Measures	Level 1		Level 2			Level 3		Total
Assets
Restricted funds	$	29,259	$	0		$	0	$	29,259
Rabbi trust investments		0		444			0		444
Deposits		1,901		0			0		1,901
Mark-to-market derivative asset		0		4,776			0		4,776
Total assets		31,160		5,220			0		36,380
Liabilities
Deferred compensation obligation		0		11,928			0		11,928
Mark-to-market derivative liability		0		1,276			0		1,276
Total liabilities		0		13,204			0		13,204
Total net assets (liabilities)	$	31,160	$	(7,984	)	$	0	$	23,176