Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2017

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, 2017					December 31, 2016
	Fair Value			Carrying Value		Fair Value		Carrying Value
3.85% senior notes, payable February 1, 2023; interest payable semiannually	$	622,752		600,000		615,006		600,000
2.00% senior notes, payable January 14, 2022; interest payable annually	634,193			600,096		556,460		525,984
Floating Rate Notes, payable September 11, 2019, interest payable quarterly	360,807			360,058		—		—
U.S. commercial paper	228,500			228,500		283,800		283,800
European commercial paper	912,146			912,146		536,503		536,503
Five-year senior secured credit facility, due March 26, 2022	62,104			62,104		60,672		60,672
Securitization facility	—			—		500,000		500,000
Capital leases and other	6,934			6,934		11,643		11,643
Unamortized debt issuance costs	(6,260		)	(6,260	)	(7,117	)	(7,117	)
Total debt	2,821,176			2,763,578		2,556,967		2,511,485
Less current portion of long term debt and commercial paper	1,203,683			1,203,683		1,382,738		1,382,738
Long-term debt, less current portion	$	1,617,493		1,559,895		1,174,229		1,128,747

Schedule of maturities of long-term debt

The aggregate maturities of long-term debt as of December 31, 2017 are as follows:

2018	$	1,203,683
2019	360,514
2020	599
2021	441
2022	597,995
Thereafter	600,346
	$	2,763,578