Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Capital Stock Capital Stock, Class A common stock	Capital Stock Capital Stock, Class B common stock	Treasury Stock Treasury Stock, Class A common stock	Treasury Stock Treasury Stock, Class B common stock	Paid-in Capital	Earnings Invested in the Business	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Jan. 03, 2021		$ 36.7	$ 3.4	$ (16.5)	$ (0.6)	$ 21.3	$ 1,162.9	$ (4.2)
Increase (Decrease) in Stockholders' Equity
Net issuance of stock awards				1.8	0.0	1.0
Net earnings (loss)	$ 49.6						49.6
Dividends							0.0
Share retirement		0.0					0.0
Other comprehensive income (loss), net of tax	(11.6)							(11.6)
Ending balance at Jul. 04, 2021	1,243.8	36.7	3.4	(14.7)	(0.6)	22.3	1,212.5	(15.8)
Beginning balance at Apr. 04, 2021		36.7	3.4	(15.1)	(0.6)	20.6	1,188.5	(17.8)
Increase (Decrease) in Stockholders' Equity
Net issuance of stock awards				0.4	0.0	1.7
Net earnings (loss)	24.0						24.0
Dividends							0.0
Share retirement		0.0					0.0
Other comprehensive income (loss), net of tax	2.0							2.0
Ending balance at Jul. 04, 2021	1,243.8	36.7	3.4	(14.7)	(0.6)	22.3	1,212.5	(15.8)
Beginning balance at Jan. 02, 2022	1,336.2	36.7	3.4	(14.5)	(0.6)	23.9	1,315.0	(27.7)
Increase (Decrease) in Stockholders' Equity
Net issuance of stock awards				2.6	0.0	1.0
Net earnings (loss)	(45.4)						(45.4)
Dividends							(4.8)
Share retirement		(1.6)					(25.6)
Other comprehensive income (loss), net of tax	14.5							14.5
Ending balance at Jul. 03, 2022	1,276.9	35.1	3.4	(11.9)	(0.6)	24.9	1,239.2	(13.2)
Beginning balance at Apr. 03, 2022		35.1	3.4	(12.4)	(0.6)	22.8	1,239.9	(14.7)
Increase (Decrease) in Stockholders' Equity
Net issuance of stock awards				0.5	0.0	2.1
Net earnings (loss)	2.2						2.2
Dividends							(2.9)
Share retirement		0.0					0.0
Other comprehensive income (loss), net of tax	1.5							1.5
Ending balance at Jul. 03, 2022	$ 1,276.9	$ 35.1	$ 3.4	$ (11.9)	$ (0.6)	$ 24.9	$ 1,239.2	$ (13.2)