Income Taxes (Effective Income Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Federal statutory provision									$ (1,558)	$ (38,507)	$ 5,613
State and local income taxes									(336)	1,209	(901)
Impact of foreign operations taxed at rates other than the U.S. statutory rate									(2,220)	(3,345)	(18,541)
Accrual/release of uncertain tax amounts related to foreign operations									(7,288)	1,802	191
U.S. tax impacts of foreign income in the U.S.									4,441	(2,300)	5,587
CARES Act carryback benefit									(2,270)	(1,646)	0
Tax incentives/credits/exempt income									(500)	(750)	(5,437)
Unrealized stock compensation benefits									(505)	2,312	2,176
Surrender of company-owned life insurance policies									0	10,313	0
Goodwill impairment									0	40,328	0
Other, net									(686)	(2,294)	(1,815)
(Benefit) provision for income taxes	$ (320)	$ (1,525)	$ 4,915	$ (13,992)	$ (350)	$ 541	$ 16,957	$ (10,026)	(10,922)	7,122	(13,127)
Surrender for company-owned life insurance policies										2,000
Change in deferred tax assets valuation allowance									(5,000)	(3,000)	(23,000)
Tax on market exits									6,000	2,000	$ 3,000
Reorganization									3,000
Sale of business									3,000
Tax correction									$ (7,000)	2,000
Interest										$ 1,000