Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Components of Changes in Accumulated Other Comprehensive Income (AOCI)

Changes in AOCI, net of taxes, by component follows (dollars in millions). Amounts in parentheses indicate losses.

	Foreign Currency Translation Adjustments			Unrealized Loss on Treasury Locks, Net			Unrealized Loss on Foreign Exchange Contracts			Unrealized Loss on Marketable Debt Securities		Unfunded Employee Benefit Obligations			Total
Balance at January 1, 2019	$	(0.4	)	$	(10.2	)	$	(0.3	)	$	—	$	(127.9	)	$	(138.8	)
Other comprehensive income before reclassifications		—			—			—			—		(40.5	)		(40.5	)
Amounts reclassified from AOCI		—			10.2			0.1			—		9.5			19.8
Net current-period other comprehensive income (loss)		—			10.2			0.1			—		(31.0	)		(20.7	)
Balance at December 31, 2019	$	(0.4	)	$	—		$	(0.2	)	$	—	$	(158.9	)	$	(159.5	)
Other comprehensive income before reclassifications		—			—			—			0.3		4.0			4.3
Amounts reclassified from AOCI		—			—			—			—		10.7			10.7
Net current-period other comprehensive income		—			—			—			0.3		14.7			15.0
Balance at December 31, 2020	$	(0.4	)	$	—		$	(0.2	)	$	0.3	$	(144.2	)	$	(144.5	)

Reclassifications Out of Accumulated Other Comprehensive Income (AOCI)

The following table presents information about reclassifications out of AOCI (dollars in millions). Amounts in parentheses indicate expenses in the Consolidated Statements of Income.

	Amounts Reclassified from AOCI Year Ended December 31,
Details about AOCI Components	2020			2019
Unrealized loss on treasury locks, net (a)	$	—		$	(18.1	)
		—			7.9		Tax benefit
	$	—		$	(10.2	)	Net of tax
Unfunded employee benefit obligations (b)
Amortization of prior service costs	$	(3.9	)	$	(6.0	)
Amortization of actuarial gains / (losses)		(10.4	)		(6.7	)
		(14.3	)		(12.7	)	Total before tax
		3.6			3.2		Tax benefit
	$	(10.7	)	$	(9.5	)	Net of tax

(a)

For 2019, this AOCI component is included in interest expense, net. The amount relates to the amortization of the effective portion of treasury lock derivative instruments recorded in AOCI. The remaining balances of the treasury locks were written off as a result of the Company’s November 2019 debt refinancing. For a discussion of treasury lock derivative instrument activity, see Note 15, Derivative Instruments and Hedging Activities, for additional information.

(b)	These AOCI components are included in the computation of net pension and postretirement benefit costs. See Note 12, Employee Benefit Plans and Other Postretirement Benefits, for additional information.