Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Items Measured at Fair Value on a Recurring Basis

The Company maintains interest rate swap agreements (included in Other Liabilities) and marketable equity securities (included in Other Assets), which include investments in the Company’s elective deferred compensation plan as of September 30, 2015 and December 31, 2014.  The following table presents information about the Company’s financial assets and liabilities and indicates the fair value hierarchy of the valuation techniques used by the Company to determine such fair value (in millions):

	Fair Value Measurements
Assets (Liabilities):	Level 1		Level 2			Level 3		Total
September 30, 2015
Derivative Financial Instruments	$	—	$	(3.3	)	$	—	$	(3.3	)
Marketable Securities	$	3.1	$	—		$	—	$	3.1
December 31, 2014
Derivative Financial Instruments	$	—	$	(4.3	)	$	—	$	(4.3	)
Marketable Securities	$	3.7	$	—		$	—	$	3.7

Debt Instruments with Carrying Values Different than Estimated Fair Values

Debt instruments at September 30, 2015 and December 31, 2014, with carrying values that are different than estimated fair values, are summarized as follows (in thousands):

	September 30, 2015				December 31, 2014
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Senior Notes	$	3,118,656	$	3,276,118	$	2,765,893	$	3,011,374
Revolving Credit Facilities and Term Loans		895,000		896,899		779,009		786,922
Mortgage Indebtedness		1,209,921		1,239,663		1,689,805		1,741,855
	$	5,223,577	$	5,412,680	$	5,234,707	$	5,540,151