CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands		Total	Additional paid-in-capital	Accumulated other comprehensive (loss) income	Retained earnings	Treasury stock	Deferred compensation	Class A common stock	Class A common stock Common stock	Class A common stock Retained earnings	Class B common stock	Class B common stock Common stock	Class B common stock Retained earnings
Net of tax, beginning balance at Dec. 31, 2023		$ 1,662,835	$ 16,466	$ (13,400)	$ 2,803,689	$ (1,169,165)	$ 23,075		$ 1,992			$ 178
Increase (decrease) in shareholders' equity
Net income		124,552			124,552
Other comprehensive income (loss)		(1,830)		(1,830)
Dividends declared								$ (58,891)		$ (58,891)	$ (486)		$ (486)
Net purchase of treasury stock	[1]	0	0			0
Deferred compensation		0				(861)	861
Rabbi trust distribution	[2]	0				709	(709)
Net of tax, ending balance at Mar. 31, 2024		1,726,180	16,466	(15,230)	2,868,864	(1,169,317)	23,227		1,992			178
Net of tax, beginning balance at Dec. 31, 2024		1,987,258	16,466	(47,591)	3,162,303	(1,169,074)	22,984		1,992			178
Increase (decrease) in shareholders' equity
Net income		138,417			138,417
Other comprehensive income (loss)		5,217		5,217
Dividends declared								$ (63,048)		$ (63,048)	$ (521)		$ (521)
Net purchase of treasury stock	[1]	28	28			0
Deferred compensation		0				(869)	869
Rabbi trust distribution	[2]	0				407	(407)
Net of tax, ending balance at Mar. 31, 2025		$ 2,067,351	$ 16,494	$ (42,374)	$ 3,237,151	$ (1,169,536)	$ 23,446		$ 1,992			$ 178

[1] Net purchases of treasury stock in 2025 and 2024 include the repurchase of our Class A common stock in the open market that were subsequently distributed to satisfy stock-based compensation awards.

[2] Distributions of our Class A shares were made from the rabbi trust to two incentive compensation deferral plan participants in 2025 and three in 2024.