Accumulated Other Comprehensive Income (Loss)

12 Months Ended

Dec. 31, 2020

Accumulated Other Comprehensive Income (Loss) [Abstract]

Accumulated Other Comprehensive Income (Loss)

Note 20.  Accumulated Other Comprehensive Income (Loss)

Accumulated other comprehensive income (loss) at December 31 comprised of the following components:

	December 31,
(millions of dollars)	2020			2019
Cumulative foreign currency translation	$	(190.8	)	$	(200.2	)
Unrecognized pension costs (net of tax benefit of $64.6 in 2020 and $30.5 in 2019)		(114.9	)		(96.1	)
Unrealized gain (loss) on cash flow hedges (net of tax (benefit) expense of $(3.1) in 2020 and $0.3 in 2019)		(2.6	)		5.9
	$	(308.3	)	$	(290.4	)

The following table summarizes the changes in other comprehensive income (loss) by component:

	Year Ended December 31,
	2020									2019									2018
(millions of dollars)	Pre-Tax Amount			Tax (Expense) Benefit			Net-of- Tax Amount			Pre-Tax Amount			Tax (Expense) Benefit			Net-of- Tax Amount			Pre-Tax Amount			Tax (Expense) Benefit			Net-of- Tax Amount
Foreign currency translation adjustment	$	10.9		$	—		$	10.9		$	(29.9	)	$	—		$	(29.9	)	$	(67.9	)	$	—		$	(67.9	)
Pension plans:
Net actuarial gains (losses) and prior service costs arising during the period		(37.9	)		9.2			(28.7	)		(30.6	)		7.4			(23.2	)		9.6			(1.8	)		7.8
Amortization of net actuarial (gains) losses and prior service costs		13.4			(3.4	)		10.0			9.4			(2.3	)		7.1			12.1			(3.0	)		9.1
Unrealized gains (losses) on cash flow hedges		(11.6	)		3.1			(8.5	)		0.3			(0.1	)		0.2			1.5			0.1			1.6
Total other comprehensive income (loss)	$	(25.2	)	$	8.9		$	(16.3	)	$	(50.8	)	$	5.0		$	(45.8	)	$	(44.7	)	$	(4.7	)	$	(49.4	)

The pre-tax amortization amounts of pension plans in the table above are included within the components of net periodic pension benefit costs (see Note 17) and the related tax amounts are included within provision (benefit) for taxes on income line within Consolidated Statements of Income.