Income Taxes (Narrative) (Details 2) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Oct. 31, 2023	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2018
Income tax contingencies
Unrecognized tax benefits		$ 184,921	$ 203,794	$ 164,531	$ 146,215
Income tax receivable		88,768	109,947
Long-term income taxes payable		78,947	109,383
Valuation allowance, deferred tax asset, decrease		177,900
Unrecognized tax benefits, including interest
Income tax contingencies
Unrecognized tax benefits		185,700
Foreign tax authority | National Tax Services
Income tax contingencies
Income tax receivable	$ 82,700	88,800	110,000
Long-term income taxes payable	72,600		105,100
Valuation allowance, deferred tax asset, decrease	$ (10,100)
Foreign tax authority | National Tax Services | Tax year 2024
Income tax contingencies
Portion of unrecognized tax benefits, which if recognized, would be recorded as an income tax benefit			18,200
Foreign tax authority | National Tax Services | Tax year 2023
Income tax contingencies
Portion of unrecognized tax benefits, which if recognized, would be recorded as an income tax benefit			4,200
Foreign tax authority | National Tax Services | Tax year 2018
Income tax contingencies
Portion of unrecognized tax benefits, which if recognized, would be recorded as an income tax benefit						$ 74,800
Long-term deferred tax assets
Income tax contingencies
Unrecognized tax benefits		31,700	22,800
Other assets | Foreign tax authority | National Tax Services
Income tax contingencies
Unrecognized tax benefits		75,000	74,800
Long-term income taxes payable
Income tax contingencies
Unrecognized tax benefits		78,900	106,200
Long-term income taxes payable | Unrecognized tax benefits, including interest
Income tax contingencies
Unrecognized tax benefits			109,400
Long-term income taxes payable | Foreign tax authority | National Tax Services
Income tax contingencies
Unrecognized tax benefits		$ 77,100	$ 105,100