Income Taxes (Details 2) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 0.80
Tax Credit Carryforward, Valuation Allowance	(800,000)	$ (200,000)
Current
Federal	(1,700,000)	(3,300,000)	$ (1,100,000)
State and local	(100,000)	700,000	(100,000)
Current domestic taxes	(1,800,000)	(2,600,000)	(1,200,000)
Foreign	19,600,000	17,500,000	18,000,000.0
Current Income Tax Expense (Benefit)	17,800,000	14,900,000	16,800,000
Deferred
Federal	16,700,000	2,100,000	(270,000,000.0)
State and local	4,000,000.0	8,700,000	1,200,000
Deferred domestic taxes	20,700,000	10,800,000	(268,800,000)
Foreign	9,900,000	8,400,000	8,300,000
Deferred Income Tax Expense (Benefit)	30,600,000	19,200,000	(260,500,000)
Income taxes	48,400,000	$ 34,100,000	$ (243,700,000)
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 72,100,000