v3.4.0.3

Materials, Supplies, and Inventories (Tables)

3 Months Ended

Mar. 31, 2016

Inventory Disclosure [Abstract]

Schedule of inventory

Our inventory consisted of:

(in millions)		March 31, 2016				December 31, 2015
Materials and supplies		$	217.8			$	219.2
Fossil fuel		163.4				183.7
Natural gas in storage		89.5				284.1
Total		$	470.7			$	687.0

Schedule of LIFO liquidation balance sheet amounts

The amounts were as follows at March 31, 2016:

(in millions)		Balance Sheet Presentation		PGL				NSG
Temporary LIFO liquidation debit		Other current assets		$	17.6			$	—
Temporary LIFO liquidation credit		Other current liabilities		—				6.0

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 2
-Paragraph 6
-Subparagraph a,b,c
-Article 5

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Tabular disclosure of the difference between current projected replacement cost and the LIFO cost for quantities of natural gas temporarily withdrawn from storage.

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