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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Sep. 30, 2016
Commitments and Contingencies Disclosure [Abstract]  
Aggregate Rental Expense and Annual Minimum Rental Commitments
Aggregate rental expense and annual minimum rental commitments under all leases having an initial or remaining non-cancelable term of more than one year are shown below:
 
Aggregate Rental Expense
 
 
Minimum Rental Commitments
 
2016
2015
2014
 
2017
2018
2019
2020
2021
Later
Total
Spire
$
11.9

$
14.1

$
6.7

 
$
10.5

$
7.5

$
7.3

$
6.2

$
6.0

$
53.4

$
90.9

Laclede Gas
4.3

7.6

6.3

 
2.5

0.9

0.9

0.3

0.1


4.7

Alagasco
3.7

4.0

2.0

 
3.9

2.5

2.5

2.1

2.1

4.9

18.0