Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Line Items]
Tax Act, one-time net tax benefit recorded			$ 70,100
Tax Act, benefits associated with re-measurement of deferred tax assets and liabilities			85,300
Tax Act, transition tax expense on post-1986 earnings and profits of certain foreign subsidiaries			15,200
Tax Act, additional benefit recorded related to remeasurement		$ 6,300
Valuation allowance against previously recognized foreign tax credits		43,500
Tax Act, benefit associated with entity restructuring and recapitalization			26,700
Tax Act, expense associated with acceleration of certain deductions			8,500
Tax Act, decrease in benefit associated with entity restructuring and recapitalization		1,800
Valuation allowance for deferred income tax assets	$ 104,178	67,601	19,300
Change in total valuation allowance	36,600	48,300	4,300
Tax effect of state and foreign net operating loss carryforwards	78,310	52,406
Tax carryforwards expiring in 2020	1,300
Tax carryforwards expiring in 2021	500
Tax carryforwards expiring in 2022	200
Tax carryforwards expiring in 2023	27,000
Tax carryforwards expiring in 2024	900
Tax carryforwards expiring thereafter	53,700
Valuation allowance foreign and state net operating loss carryforwards	52,000
Decrease resulted primarily from a favorable settlements related to certain non-U.S. income tax obligations of an acquired business and the expiration of U.S. state income tax statutes	9,100
Reduction due to expiration of certain federal and state statutes of limitations	5,935	7,857	8,252
Interest and penalties expense (income) in the provision for income taxes	800	$ 100	$ (200)
Gross Amount Before Balance Sheet Presentation Netting
Income Taxes [Line Items]
Tax effect of state and foreign net operating loss carryforwards	$ 83,600