Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions		Total	Common Stock Class A common stock, Capital Stock		Common Stock Class B common stock, Capital Stock		Treasury Stock Class A common stock, Treasury Stock		Treasury Stock Class B common stock, Treasury Stock		Paid-in Capital		Earnings Invested in the Business		Accumulated Other Comprehensive Income
Balance at beginning of year at Dec. 29, 2013			$ 36.6		$ 3.5		$ (55.6)		$ (0.6)		$ 26.0		$ 751.3		$ 61.4
Increase (Decrease) in Stockholders' Equity
Issuance of restricted stock and other							6.4		0.0		(1.1)
Net earnings		$ 23.7											23.7
Dividends		(7.6)											(7.6)
Other comprehensive income (loss), net of tax		(10.3)													(10.3)
Balance at end of year at Dec. 28, 2014		833.7	36.6	[1]	3.5	[1]	(49.2)	[1]	(0.6)	[1]	24.9	[1]	767.4	[1]	51.1	[1]
Increase (Decrease) in Stockholders' Equity
Issuance of restricted stock and other	[1]						5.5		0.0		0.5
Net earnings	[1]	53.8											53.8
Dividends		(7.7)											(7.7)	[1]
Other comprehensive income (loss), net of tax	[1]	9.6													9.6
Balance at end of year at Jan. 03, 2016	[1]	895.4	36.6		3.5		(43.7)		(0.6)		25.4		813.5		60.7
Increase (Decrease) in Stockholders' Equity
Issuance of restricted stock and other							5.3		0.0		3.2
Net earnings		120.8											120.8
Dividends		(10.7)											(10.7)
Other comprehensive income (loss), net of tax		(2.0)													(2.0)
Balance at end of year at Jan. 01, 2017		$ 1,012.0	$ 36.6		$ 3.5		$ (38.4)		$ (0.6)		$ 28.6		$ 923.6		$ 58.7

[1] Fiscal year included 53 weeks.