CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Class A Common Stock	Class B Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance at the beginning of the period at Dec. 31, 2023	$ 2.7	$ 0.6	$ 674.3	$ 979.1	$ (143.4)	$ 1,513.3
Balance (in shares) at Dec. 31, 2023	27,352,701	5,958,290
Increase (Decrease) in Stockholders' Equity
Net income				72.6		72.6
Other comprehensive income (loss)					(11.5)	(11.5)
Comprehensive income						61.1
Stock-based compensation			4.0			4.0
Stock repurchase				(4.0)		(4.0)
Stock repurchase (in shares)	(19,750)
Net change in restricted stock units			2.3	(12.8)		(10.5)
Net change in restricted stock units (in shares)	85,498
Common stock dividends				(12.1)		(12.1)
Balance at the end of the period at Mar. 31, 2024	$ 2.7	$ 0.6	680.6	1,022.8	(154.9)	1,551.8
Balance (in shares) at Mar. 31, 2024	27,418,449	5,958,290
Balance at the beginning of the period at Dec. 31, 2024	$ 2.7	$ 0.6	696.2	1,184.8	(176.4)	1,707.9
Balance (in shares) at Dec. 31, 2024	27,366,685	5,953,290
Increase (Decrease) in Stockholders' Equity
Net income				74.0		74.0
Other comprehensive income (loss)					13.7	13.7
Comprehensive income						87.7
Stock-based compensation			2.9			2.9
Stock repurchase				(3.9)		(3.9)
Stock repurchase (in shares)	(18,751)
Net change in restricted stock units			2.9	(10.9)		(8.0)
Net change in restricted stock units (in shares)	80,451
Common stock dividends				(14.4)		(14.4)
Balance at the end of the period at Mar. 30, 2025	$ 2.7	$ 0.6	$ 702.0	$ 1,229.6	$ (162.7)	$ 1,772.2
Balance (in shares) at Mar. 30, 2025	27,428,385	5,953,290