Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Summary Of Significant Accounting Policies [Line Items]
Cash equivalents	$ 121,200	$ 88,900
Lease, Practical Expedients, Package [true false]	true
Lessee Operating Lease Option To Extend	Lease terms include options to extend or terminate the lease when it is reasonably certain that those options will be exercised.
Lessee, Operating Lease, Option to Terminate	Lease terms include options to extend or terminate the lease when it is reasonably certain that those options will be exercised.
Lessee, Operating Lease, Existence of Option to Extend [true false]	true
Lessee, Operating Lease, Existence of Option to Terminate [true false]	true
Compensation cost recognized for stock-based awards	$ 15,300	18,500	$ 15,300
Income tax benefit recognized in the income statement for stock-based awards	3,500	4,400	3,600
Total cash received as a result of stock option exercises	129	716	346
Tax benefit realized as a result of stock option exercises and the vesting of other share-based awards	2,700	2,500	2,700
Total intrinsic value of stock options exercised	100	500	500
Exchange gain (loss) related to foreign currency transactions	(3,400)	600	(300)
Government incentives	$ 1,700	$ 900	$ 500
Government Assistance, Statement of Income or Comprehensive Income [Extensible Enumeration]	Selling, General and Administrative Expense	Selling, General and Administrative Expense	Selling, General and Administrative Expense
Government Incentives [Member]
Summary Of Significant Accounting Policies [Line Items]
Prepaid and other assets	$ 900	$ 0
Restricted Stock Units [Member]
Summary Of Significant Accounting Policies [Line Items]
Anti-dilutive stock-based awards in computation of earnings per share		0
Employee Stock Option [Member]
Summary Of Significant Accounting Policies [Line Items]
Anti-dilutive stock-based awards in computation of earnings per share	0	0	0
Leasehold Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]	us-gaap:UsefulLifeShorterOfTermOfLeaseOrAssetUtilityMember
Minimum [Member] | Customer Relationships [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	10 years
Minimum [Member] | Capitalized Purchased Software Costs [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	2 years
Minimum [Member] | Buildings And Building Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	5 years
Minimum [Member] | Machinery And Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	2 years
Minimum [Member] | Furniture And Fixtures [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	2 years
Minimum [Member] | Vehicles [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	2 years
Maximum [Member] | Customer Relationships [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	14 years
Maximum [Member] | Capitalized Purchased Software Costs [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	14 years
Maximum [Member] | Restricted Stock Units [Member]
Summary Of Significant Accounting Policies [Line Items]
Anti-dilutive stock-based awards in computation of earnings per share	100,000		100,000
Maximum [Member] | Buildings And Building Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	40 years
Maximum [Member] | Machinery And Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	15 years
Maximum [Member] | Furniture And Fixtures [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	12 years
Maximum [Member] | Vehicles [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful lives of the assets	8 years