Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Schedule of Treasury Stock

The following is a summary of treasury share activity:

	Treasury Shares
Balance as of December 31, 2018		2,402
Purchases		450
Forfeitures and other		75
Balance as of December 31, 2019		2,927
Purchases		—
Forfeitures and other		—
Balance as of December 31, 2020		2,927

Schedule of Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss and related activity consisted of the following:

(In millions)	Defined Benefit Plans
Balance as of December 31, 2019	$	(20.6	)
Amounts reclassified from accumulated other comprehensive loss, net of tax		20.6
Balance as of December 31, 2020	$	—

Schedule of Reclassification Out of Accumulated Other Comprehensive Loss

Details of amounts reclassified from Accumulated other comprehensive loss and the line item in our Consolidated Statement of Operations for the year ended December 31, 2020 are as follows:

	Amounts Reclassified from Accumulated Other Comprehensive Loss		Affected Line Item in the Statement Where Net Loss is Presented
		(In millions)
Reclassification of pension liability, net of taxes		20.6	Other Income (Expense)
Total reclassifications for the period	$	20.6