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Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The fair values and carrying values of our debt instruments are detailed as follows:



	December 31, 2014							December 31, 2013
	Fair Value				Carrying Value			Fair Value			Carrying Value
3.85% senior notes, payable January 31, 2023; interest payable semiannually	$	603,180			600,000			569,400			600,000
6.125% notes, payable January 15, 2016; interest payable semiannually	677,833				645,555			983,700			900,000
Commercial paper	301,600				301,600			—			—
Five-year senior secured credit facility, due September 25, 2018	195,665				195,665			364,005			364,005
Securitization facility	500,000				500,000			300,000			300,000
Capital leases and other	10,620				10,620			96,003			96,003
Total debt	2,288,898				2,253,440			2,313,108			2,260,008
Less current portion of long term debt and commercial paper	851,305				851,305			127,218			127,218
Long-term debt, less current portion	$	1,437,593			1,402,135			2,185,890			2,132,790

Schedule of Maturities of Long-term Debt

The aggregate maturities of long-term debt as of December 31, 2014 are as follows:



2015	$	810,477
2016	646,675
2017	1,067
2018	191,792
2019	786
Thereafter	602,643
	$	2,253,440