Debt (Tables)

9 Months Ended

Sep. 30, 2012

Debt Disclosure [Abstract]

Debt

	Weighted-Average Interest Rate
	September 30, 2012		December 31, 2011		Maturities	September 30, 2012			December 31, 2011
						(In thousands)
Short-term debt and current portion of long-term debt:
U.S. commercial paper	0.45	%	—	%	2012	$	65,000		—
Short-term debt	1.42	%	1.45	%	2012-2013	4,274			5,091
Current portion of long-term debt, including capital leases						374,355			269,275
Total short-term debt and current portion of long-term debt						443,629			274,366
Long-term debt:
U.S. commercial paper (1)	0.45	%	0.40	%	2016	283,921			415,936
Canadian commercial paper (1)	1.15	%	—	%	2016	22,363			—
Global revolving credit facility	1.62	%	1.52	%	2016	46,056			1,000
Unsecured U.S. notes — Medium-term notes (1)	4.02	%	4.49	%	2012-2025	2,984,845			2,484,712
Unsecured U.S. obligations, principally bank term loans	1.62	%	1.78	%	2013-2017	105,500			105,000
Unsecured foreign obligations	2.05	%	2.71	%	2014-2016	312,441			300,516
Capital lease obligations	4.14	%	4.24	%	2012-2018	43,863			48,047
Total before fair market value adjustment						3,798,989			3,355,211
Fair market value adjustment on notes subject to hedging (2)						19,827			21,843
						3,818,816			3,377,054
Current portion of long-term debt, including capital leases						(374,355		)	(269,275	)
Long-term debt						3,444,461			3,107,779
Total debt						$	3,888,090		3,382,145

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(1) We had unamortized original issue discounts of $9.2 million and $8.7 million at September 30, 2012 and December 31, 2011, respectively.

(2) The notional amount of executed interest rate swaps designated as fair value hedges was $550 million at September 30, 2012 and December 31, 2011.