CASH AND CASH EQUIVALENTS - CONTINUING OPERATIONS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Noncurrent restricted cash
Rabbi trust funding related to potential change in control	$ 31.3
Continuing operations
Significant noncash transactions
Construction costs funded through accounts payable	180.5	108.5	92.4
Accounts receivable converted to notes receivable related to sales of ITF fueling stations constructed on behalf of others	10.9	0	0
Portion of ITF fueling station sale financed with note receivable	2.7	0	0
Equity interest in joint venture received for a portion of the ITF fueling station sale	3.1	0	0
Equity issued for employee stock ownership plan	1.7	14.3	0
Equity issued for stock-based compensation plans	0	16.3	0
Equity issued for reinvested dividends	$ 0	$ 12.0	$ 0

Represents the seller-financed note receivable included in the proceeds from the sale of a disposal group.

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- Definition

Future cash outflow to pay for purchases of fixed assets that have occurred.

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Value of property contributed in noncash investing and financing activities.

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The fair value of notes issued in noncash investing and financing activities.

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- Definition

Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.

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- Definition

Value of stock issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the holder of the stock to reinvest dividends paid to them by the entity on new issues of stock by the entity.

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Aggregate value of stock issued during the period as a result of employee stock ownership plan (ESOP).

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Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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