Income Taxes (Schedule of Reconciliation of the U.S. Federal Statutory Rate to Effective Tax Rate)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
U.S. federal statutory rate	21.00%	21.00%
State income taxes	3.10%	2.80%
Excess tax benefits from stock-based compensation plans	(0.20%)	(0.40%)
Other	0.80%	0.10%
Effective tax rate	24.70%	23.50%