Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Benefit due to resolution of tax matters		$ 7,000,000	$ (2,000,000)
Benefit due to regulations enacted into law		5,000,000	3,000,000
Affiliate reorganization		3,000,000
Benefit from windfall associated with the vesting of restricted stock		505,000	(2,312,000)	$ (2,176,000)
Tax on market exits		6,000,000	2,000,000	3,000,000
Gain on sale of assets		(10,000,000)		18,000,000
Write-off deferred tax		1,000,000
Income tax expense from surrender of life insurance policy			12,000,000
Benefit for the correction of tax balances in certain domestic and international tax jurisdictions			5,000,000
Benefit from CARES ACT			2,000,000
Goodwill impairment charge			2,000,000
Impairment	$ 0	0	198,169,000	0
Change in deferred tax assets valuation allowance		5,000,000	3,000,000	23,000,000
Tax benefits from IRS tax settlements and resolution of U.S. tax examinations				9,000,000
Net operating loss carryforwards	157,000,000	157,000,000
Tax credit carry forwards	65,931,000	65,931,000	64,070,000
Tax credit carry forward without expiration	51,000,000	$ 51,000,000
Tax credit carryforwards, expiration period		11 years
Undistributed earnings	264,000,000	$ 264,000,000
Amount of unrecognized deferred tax liability	2,000,000	2,000,000
Unrecognized tax benefits that would affect the effective tax rate if recognized	$ 39,000,000	$ 39,000,000	44,000,000	$ 54,000,000
Possible change to unrecognized tax benefits	10.00%	10.00%
Income tax interest and penalties accrued	$ 4,000,000	$ 4,000,000	$ 4,000,000
Restricted Stock Units
Operating Loss Carryforwards [Line Items]
Benefit from windfall associated with the vesting of restricted stock		2,000,000
International Jurisdiction
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	163,000,000	163,000,000
Indefinite lived net operating loss carryforwards	150,000,000	$ 150,000,000
Operating loss carryforwards, expiration period		20 years
State Jurisdiction
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 1,100,000,000	$ 1,100,000,000