CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net sales	$ 1,047,215	$ 1,012,799	$ 748,252
Cost of goods sold	442,990	438,174	329,258
Gross profit	604,225	574,625	418,994
Expenses:
Selling, general and administrative	486,298	456,267	377,288
Other expense (income), net	44	54	(34,899)
Total expenses	486,342	456,321	342,389
Income before interest and income taxes	117,883	118,304	76,605
Interest income, net	1,618	231	126
Income before income taxes	119,501	118,535	76,731
Income tax expense	30,143	27,732	17,583
Net income	89,358	90,803	59,148
Other comprehensive income (loss), net of tax:
Defined benefit pension plan adjustments; net of tax expense (benefit) of $513, $89 and $(159)	1,537	267	(473)
Comprehensive income	$ 90,895	$ 91,070	$ 58,675
Common Stock
Other comprehensive income (loss), net of tax:
Basic earnings per share (in dollars per share)	$ 5.43	$ 5.06	$ 3.18
Diluted earnings per share (in dollars per share)	5.24	4.90	3.12
Class A Common Stock
Other comprehensive income (loss), net of tax:
Basic earnings per share (in dollars per share)	5.17	4.75	3.04
Diluted earnings per share (in dollars per share)	$ 5.07	$ 4.69	$ 3.04