LONG-TERM OBLIGATIONS (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule of Debt

Letters of credit outstanding (in millions):

	December 31, 2020		December 31, 2019
$400 Million Facility	$	—	$	—
$300 Million Facility	35.3		34.8
Bilateral Arrangements	47.2		45.3
Total	$	82.5	$	80.1

Schedule of Long-term Debt Instruments

Long-term debt is summarized as follows (in millions):

	December 31,
	2020		2019
5-5/8% Senior Notes due February 1, 2025, net of unamortized debt issuance costs of $6.0 and $7.5 at December 31, 2020 and 2019, respectively	$	594.0	$	592.5
2017 Credit Agreement – term debt due January 31, 2024 (“Original Term Loan”, as defined below), net of unamortized debt issuance costs of $3.0 and $4.0 at December 31, 2020 and 2019, respectively	381.0		383.8
2017 Credit Agreement – term debt due January 31, 2024 (“2019 Term Loan”, as defined below), net of unamortized debt issuance costs of $1.6 and $2.1 at December 31, 2020 and 2019, respectively	194.3		195.6
Finance lease obligations	4.4		3.7
Other	0.1		0.1
Total debt	1,173.8		1,175.7
Less: Current portion of long-term debt	(7.6)		(6.9)
Long-term debt, less current portion	$	1,166.2	$	1,168.8

Schedule of Maturities of Long-term Debt

Amounts shown are exclusive of minimum lease payments for capital lease obligations (in millions):

2021	$	6.0
2022	5.5
2023	5.5
2024	563.0
2025	600.0
Total Debt	1,180.0
Less: Unamortized debt issuance costs	$	(10.6)
Net debt	$	1,169.4

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

Based on indicative price quotations from financial institutions multiplied by the amount recorded on the Company’s Consolidated Balance Sheet (“Book Value”), the Company estimates the fair values of its debt set forth below as of December 31, 2020 and 2019, as follows (in millions, except for quotes):

2020	Book Value		Quote		Fair Value
5-5/8% Notes	$	600.0	$	1.02750	$	616.5
2017 Credit Agreement - Original Term Loan (net of discount)	$	384.0	$	0.98750	$	379.2
2017 Credit Agreement - 2019 Term Loan (net of discount)	$	195.9	$	0.99000	$	193.9

2019	Book Value		Quote		Fair Value
5-5/8% Notes	$	600.0	$	1.03375	$	620.3
2017 Credit Agreement - Original Term Loan (net of discount)	$	387.8	$	1.00656	$	390.3
2017 Credit Agreement - 2019 Term Loan (net of discount)	$	197.7	$	1.00938	$	199.6