Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Line Items]
Effective income tax rate reconciliation, percent					32.20%	27.50%
Foreign earnings repatriated					$ 156,400
Current foreign tax expense (benefit)					2,800
Current state and local tax expense (benefit)					2,600
Deferred federal income tax expense (benefit)			$ 1,800
Current federal tax expense (benefit)		$ (1,500)
Adjustments to prior period tax liabilities	$ (1,750)			$ (160)	(983)	$ 187
Operating loss carryforwards		$ 1,000
Deferred tax assets, valuation allowance	$ 200				$ 200
Discrete tax charge			3,700
Mexico, Pesos
Income Tax Disclosure [Line Items]
Revaluation loss			$ 12,700
Latest Tax Year [Member]
Income Tax Disclosure [Line Items]
Open tax year					2020
Earliest Tax Year [Member]
Income Tax Disclosure [Line Items]
Open tax year					2007