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FAIR VALUE OF FINANCIAL INSTRUMENTS
12 Months Ended
Sep. 30, 2017
Fair Value Disclosures [Abstract]  
FAIR VALUE OF FINANCIAL INSTRUMENTS
FAIR VALUE OF FINANCIAL INSTRUMENTS
Spire
The carrying amounts and estimated fair values of financial instruments not measured at fair value on a recurring basis for the Company are as follows:
 
 
 
 
 
Classification of Estimated Fair Value
 
Carrying
Amount

 
Fair
Value

 
Quoted Prices in Active Markets
(Level 1)

 
Significant Observable Inputs
(Level 2)

As of September 30, 2017
 
 
 
 
 
 
 
Cash and cash equivalents
$
7.4

 
$
7.4

 
$
7.4

 
$

Short-term debt
477.3

 
477.3

 

 
477.3

Long-term debt, including current portion
2,095.0

 
2,210.3

 

 
2,210.3

 
 
 
 
 
 
 
 
As of September 30, 2016
 
 
 
 
 
 
 
Cash and cash equivalents
$
5.2

 
$
5.2

 
$
5.2

 
$

Short-term debt
398.7

 
398.7

 

 
398.7

Long-term debt, including current portion
2,070.7

 
2,257.1

 

 
2,257.1


Spire Missouri
The carrying amounts and estimated fair values of financial instruments not measured at fair value on a recurring basis for Spire Missouri are as follows:
 
 
 
 
 
Classification of Estimated Fair Value
 
Carrying
Amount

 
Fair
Value

 
Quoted Prices in Active Markets
(Level 1)

 
Significant Observable Inputs
(Level 2)

As of September 30, 2017
 
 
 
 
 
 
 
Cash and cash equivalents
$
2.5

 
$
2.5

 
$
2.5

 
$

Short-term debt
203.0

 
203.0

 

 
203.0

Long-term debt, including current portion
973.9

 
1,056.9

 

 
1,056.9

 
 
 
 
 
 
 
 
As of September 30, 2016
 
 
 
 
 
 
 
Cash and cash equivalents
$
2.1

 
$
2.1

 
$
2.1

 
$

Short-term debt
243.7

 
243.7

 

 
243.7

Long-term debt
804.1

 
900.4

 

 
900.4


Spire Alabama
The carrying amounts and estimated fair values of financial instruments not measured at fair value on a recurring basis for Spire Alabama are as follows:
 
 
 
 
 
Classification of Estimated Fair Value
 
Carrying
Amount

 
Fair
Value

 
Quoted Prices in Active Markets
(Level 1)

 
Significant Observable Inputs
(Level 2)

As of September 30, 2017
 
 
 
 
 
 
 
Cash and cash equivalents
$
0.1

 
$
0.1

 
$
0.1

 
$

Short-term debt
169.9

 
169.9

 

 
169.9

Long-term debt
247.8

 
269.4

 

 
269.4

 
 
 
 
 
 
 
 
As of September 30, 2016
 
 
 
 
 
 
 
Short-term debt
$
82.0

 
$
82.0

 
$

 
$
82.0

Long-term debt, including current portion
247.6

 
275.5

 

 
275.5


The carrying amounts for cash and cash equivalents and short-term debt approximate fair value due to the short maturity of these instruments. The fair values of long-term debt are estimated based on market prices for similar issues. Refer to Note 9, Fair Value Measurements, for information on financial instruments measured at fair value on a recurring basis.