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Debt (Tables)
 9 Months Ended
Dec. 31, 2017
Debt Disclosure [Abstract]  
Debt and Related Weighted Average Contractual Interest Rates

Debt and the related weighted average contractual interest rates are summarized as follows:

 

 

 

 

 

 

 

 

 

 

 

Weighted average

 

 

 

 

 

 

 

 

 

 

 

contractual interest rates

 

 

 

December 31,

 

 

March 31,

 

 

December 31,

 

 

March 31,

 

 

 

2017

 

 

2017

 

 

2017

 

 

2017

 

Commercial paper

 

$

28,041

 

 

$

26,632

 

 

 

1.44

%

 

 

1.11

%

Unsecured notes and loans payable

 

 

56,742

 

 

 

57,282

 

 

 

2.03

%

 

 

1.91

%

Secured notes and loans payable

 

 

13,714

 

 

 

14,319

 

 

 

1.70

%

 

 

1.32

%

Total debt

 

$

98,497

 

 

$

98,233

 

 

 

1.82

%

 

 

1.60

%