Income Taxes (Tables)

6 Months Ended

Jun. 30, 2020

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The following table presents components of income tax expense for the three and six months ended June 30, 2020 and 2019:

	Three months ended June 30,				Six months ended June 30,
(in thousands, except percentages)	2020		2019		2020		2019
Income tax based on income from continuing operations, at estimated tax rates of 34.0% and 28.4%, respectively	$	16,262	$	13,821	$	23,571	$	24,668
Provision for change in estimated tax rate	(490)		(382)		(490)		(382)
Income tax before discrete items	15,772		13,439		23,081		24,286
Discrete tax expense:
Exercise of U.S. stock options	—		(6)		—		(56)
Adjustments to prior period tax liabilities	879		—		767		—
Provision for/resolution of tax audits and contingencies, net	(1,489)		153		(1,733)		347
Out-of-period adjustments to deferred tax assets	—		5		1,830		(2,227)
Changes in opening valuation allowance	(13)		—		3,656		(1,346)
Changes in valuation allowance	222		841		222		841
Other	(7)		(27)		(5)		36
Total income tax expense	$	15,364	$	14,405	$	27,818	$	21,881