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LONG-TERM OBLIGATIONS LONG TERM OBLIGATIONS (Tables)

3 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Schedule of Debt

Letters of credit outstanding (in millions):

						March 31, 2023																					December 31, 2022
$400 Million Facility															$	—																	$	—
$300 Million Facility															70.9																		70.4
Bilateral Arrangements															52.2																		48.0
Total															$	123.1																	$	118.4

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The Company estimates the fair value of its debt set forth below as of March 31, 2023, as follows (in millions, except for quotes):

			Book Value						Quote						Fair Value
5% Notes			$	600.0					0.92750						$	556.5

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