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SHORT-TERM AND LONG-TERM DEBT
3 Months Ended
Mar. 31, 2018
Debt Disclosure [Abstract]  
SHORT-TERM AND LONG-TERM DEBT
SHORT-TERM AND LONG-TERM DEBT
 
Short-term debt consisted of the following (in thousands of dollars):
 
As of
 
As of
 
March 31, 2018

 
December 31, 2017

Lines of Credit
 
 

Outstanding lines of credit
$
47,757

 
$
55,603

Maximum month-end balance during the period
$
62,525

 
$
55,621

Weighted-average interest rate during the period
2.13
%
 
2.41
%
Weighted average interest rate
2.37
%
 
2.01
%
 
 
 
 
Commercial Paper
 
 
 
Outstanding commercial paper
$
89,886

 
$

Maximum month-end balance during the period
$
89,886

 
$
454,696

Weighted-average interest rate during the period
1.70
%
 
0.83
%
Weighted average interest rate
1.94
%
 
%


The increase in commercial paper from December 31, 2017 was primarily used to fund general working capital needs and share repurchases.

Long-term debt consisted of the following (in thousands of dollars):
 
As of March 31, 2018
 
As of December 31, 2017
 
Carrying Value
Fair Value
 
Carrying Value
Fair Value
4.60% senior notes due 2045
$
1,000,000

$
1,060,000

 
$
1,000,000

$
1,089,000

3.75% senior notes due 2046
400,000

371,096

 
400,000

384,200

4.20% senior notes due 2047
400,000

398,912

 
400,000

410,800

British pound term loan
196,210

196,210

 
194,574

194,574

Euro term loan
135,531

135,531

 
131,956

131,956

Canadian dollar revolving credit facility
96,967

96,967

 
99,388

99,388

Capital lease obligations and other
69,166

69,166

 
84,274

84,274

 
2,297,874

2,327,882

 
2,310,192

2,394,192

Less current maturities
(30,279
)
(30,279
)
 
(38,709
)
(38,709
)
Debt issuance costs and discounts
(23,189
)
(23,189
)
 
(23,447
)
(23,447
)
 
$
2,244,406

$
2,274,414

 
$
2,248,036

$
2,332,036



The estimated fair value of the Company’s 4.20% Senior Notes due 2047, 3.75% Senior Notes due 2046 and 4.60% Senior Notes due 2045 was based on available external pricing data and current market rates for similar debt instruments, among other factors, which are classified as level 2 inputs within the fair value hierarchy. The carrying value of other long-term debt approximates fair value due to their variable interest rates.