DEFERRED CHARGES AND OTHER ASSETS, NET (Tables)

12 Months Ended

Dec. 31, 2019

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of deferred charges and other assets, net

Deferred charges and other assets, net consisted of the following:

(in millions)	December 31, 2019		December 31, 2018
Deferred turnaround costs, net	$	722.7	$	673.1
Catalyst, net		132.7		124.3
Environmental credits		37.8		37.8
Finance lease assets		24.2		—
Linefill		19.5		19.5
Pension plan assets		10.3		9.7
Intangible assets, net		0.5		0.5
Other		6.5		6.9
Total deferred charges and other assets, net	$	954.2	$	871.8

Intangible assets, net

Intangible assets, net primarily consists of permits and emission credits. Our net balance as of December 31, 2019 and December 31, 2018 is shown below.

(in millions)	December 31, 2019			December 31, 2018
Intangible assets - gross	$	4.0		$	4.0
Accumulated amortization		(3.5	)		(3.5	)
Intangible assets - net	$	0.5		$	0.5