ACCUMULATED OTHER COMPREHENSIVE LOSS

3 Months Ended

Mar. 31, 2021

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

A roll-forward of the Company's accumulated other comprehensive loss as of March 31, 2021 is as follows:


	Foreign Currency Translation		Actuarial (Loss) Gain on Post-retirement Benefits		Other		Accumulated Other Comprehensive Loss







Balance at January 1, 2021	$	(17.1)	$	(260.5)	$	(0.3)	$	(277.9)
Foreign currency translation adjustment, net of tax of nil million	(4.9)		—		—		(4.9)
Amortization of pension related costs, net of tax of nil million (a)	—		3.5		—		3.5




Other comprehensive (loss) gain	$	(4.9)	$	3.5	$	—	$	(1.4)
Balance at March 31, 2021	$	(22.0)	$	(257.0)	$	(0.3)	$	(279.3)

(a) Amounts represent the change in accumulated other comprehensive loss as a result of the amortization of actuarial losses (gains) arising during each year related to the Company’s pension and other post-retirement plans. See Note 10, "Pension and Post-retirement Benefits," for further information on the Company’s pension and other post-retirement plans.

For the three months ended March 31, 2021 and 2020, the Company did not have any activity related to derivative instruments.