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, 2020	$ 2.8	$ 0.6	$ 606.3	$ 560.1	$ (100.0)	$ 1,069.8
Balance (in shares) at Dec. 31, 2020	27,478,512	6,144,290
Increase (Decrease) in Stockholders' Equity
Net income				125.6		125.6
Other comprehensive (loss) income					(17.1)	(17.1)
Comprehensive income						108.5
Shares of Class B common stock converted to Class A common stock (in shares)	80,000	(80,000)
Shares of Class A common stock issued upon the exercise of stock options (in shares)	112
Stock-based compensation			16.8			16.8
Stock repurchase				(11.8)		(11.8)
Stock repurchase (in shares)	(87,445)
Net change in restricted and performance stock units			1.9	(9.6)		(7.7)
Net change in restricted and performance stock units (in shares)	93,937
Common stock dividends				(25.5)		(25.5)
Balance at the end of the period at Sep. 26, 2021	$ 2.8	$ 0.6	625.0	638.8	(117.1)	1,150.1
Balance (in shares) at Sep. 26, 2021	27,565,116	6,064,290
Balance at the beginning of the period at Jun. 27, 2021	$ 2.8	$ 0.6	618.1	605.6	(109.2)	1,117.9
Balance (in shares) at Jun. 27, 2021	27,577,110	6,074,290
Increase (Decrease) in Stockholders' Equity
Net income				46.4		46.4
Other comprehensive (loss) income					(7.9)	(7.9)
Comprehensive income						38.5
Shares of Class B common stock converted to Class A common stock (in shares)	10,000	(10,000)
Stock-based compensation			6.9			6.9
Stock repurchase				(4.0)		(4.0)
Stock repurchase (in shares)	(25,375)
Net change in restricted and performance stock units				(0.4)		(0.4)
Net change in restricted and performance stock units (in shares)	3,381
Common stock dividends				(8.8)		(8.8)
Balance at the end of the period at Sep. 26, 2021	$ 2.8	$ 0.6	625.0	638.8	(117.1)	1,150.1
Balance (in shares) at Sep. 26, 2021	27,565,116	6,064,290
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 (loss) income					(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 (loss) income					(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