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, 2021	$ 2.8	$ 0.6	$ 631.2	$ 665.9	$ (127.3)	$ 1,173.2
Balance (in shares) at Dec. 31, 2021	27,584,525	6,024,290
Increase (Decrease) in Stockholders' Equity
Net income				182.9		182.9
Other comprehensive income (loss)					(56.3)	(56.3)
Comprehensive income						126.6
Shares of Class B common stock converted to Class A common stock (in shares)	16,000	(16,000)
Shares of Class A common stock issued upon the exercise of stock options			0.2			0.2
Shares of Class A common stock issued upon the exercise of stock options (in shares)	2,325
Stock-based compensation			13.2			13.2
Stock repurchase	$ (0.1)			(65.0)		(65.1)
Stock repurchase (in shares)	(462,956)
Net change in restricted and performance stock units			2.0	(13.0)		(11.0)
Net change in restricted and performance stock units (in shares)	154,313
Common stock dividends				(29.4)		(29.4)
Balance at the end of the period at Sep. 25, 2022	$ 2.7	$ 0.6	646.6	741.4	(183.6)	1,207.7
Balance (in shares) at Sep. 25, 2022	27,294,207	6,008,290
Balance at the beginning of the period at Jun. 26, 2022	$ 2.7	$ 0.6	641.6	696.8	(155.2)	1,186.5
Balance (in shares) at Jun. 26, 2022	27,297,954	6,024,290
Increase (Decrease) in Stockholders' Equity
Net income				58.7		58.7
Other comprehensive income (loss)					(28.4)	(28.4)
Comprehensive income						30.3
Shares of Class B common stock converted to Class A common stock (in shares)	16,000	(16,000)
Stock-based compensation			5.0			5.0
Stock repurchase				(3.9)		(3.9)
Stock repurchase (in shares)	(29,333)
Net change in restricted and performance stock units				(0.1)		(0.1)
Net change in restricted and performance stock units (in shares)	9,586
Common stock dividends				(10.1)		(10.1)
Balance at the end of the period at Sep. 25, 2022	$ 2.7	$ 0.6	646.6	741.4	(183.6)	1,207.7
Balance (in shares) at Sep. 25, 2022	27,294,207	6,008,290
Balance at the beginning of the period at Dec. 31, 2022	$ 2.7	$ 0.6	651.9	795.3	(149.9)	1,300.6
Balance (in shares) at Dec. 31, 2022	27,314,679	5,958,290
Increase (Decrease) in Stockholders' Equity
Net income				206.4		206.4
Other comprehensive income (loss)					(9.8)	(9.8)
Comprehensive income						196.6
Shares of Class A common stock issued upon the exercise of stock options			0.1			0.1
Shares of Class A common stock issued upon the exercise of stock options (in shares)	598
Stock-based compensation			14.5			14.5
Stock repurchase				(11.7)		(11.7)
Stock repurchase (in shares)	(68,569)
Net change in restricted and performance stock units			2.1	(15.8)		(13.7)
Net change in restricted and performance stock units (in shares)	128,316
Common stock dividends				(34.4)		(34.4)
Balance at the end of the period at Sep. 24, 2023	$ 2.7	$ 0.6	668.6	939.8	(159.7)	1,452.0
Balance (in shares) at Sep. 24, 2023	27,375,024	5,958,290
Balance at the beginning of the period at Jun. 25, 2023	$ 2.7	$ 0.6	663.6	890.3	(142.9)	1,414.3
Balance (in shares) at Jun. 25, 2023	27,388,423	5,958,290
Increase (Decrease) in Stockholders' Equity
Net income				65.8		65.8
Other comprehensive income (loss)					(16.8)	(16.8)
Comprehensive income						49.0
Stock-based compensation			5.0			5.0
Stock repurchase				(4.0)		(4.0)
Stock repurchase (in shares)	(22,013)
Net change in restricted and performance stock units				(0.2)		(0.2)
Net change in restricted and performance stock units (in shares)	8,614
Common stock dividends				(12.1)		(12.1)
Balance at the end of the period at Sep. 24, 2023	$ 2.7	$ 0.6	$ 668.6	$ 939.8	$ (159.7)	$ 1,452.0
Balance (in shares) at Sep. 24, 2023	27,375,024	5,958,290