Income Taxes (Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Deferred Tax Assets, Accounts receivable allowances	$ 18,515	$ 14,590
Deferred Tax Assets, Operating lease liabilities	12,472	11,623
Deferred Tax Assets, Accrued compensation	3,676	3,752
Deferred Tax Assets, Accrued workers' compensation	3,296	3,119
Deferred Tax Assets, Transactions Costs	2,056	1,803
Deferred Tax Assets, Stock-based compensation	1,473	1,293
Deferred Tax Assets, Government stimulus advances		1,138
Deferred Tax Assets, Restructuring costs	54	119
Deferred Tax Assets, Other	1,420	793
Total long-term deferred tax assets	42,962	38,230
Deferred Tax Liabilities, Goodwill and intangible assets	(34,310)	(26,097)
Deferred Tax Liabilities, Operating lease assets, net	(10,323)	(9,571)
Deferred Tax Liabilities, Property and equipment	(3,123)	(3,415)
Deferred Tax Liabilities, Insurance premiums	(916)	(876)
Total long-term deferred tax liabilities	(48,672)	(39,959)
Total net deferred tax liabilities	$ (5,710)	$ (1,729)