Note 13 - Income Taxes (Details) - Deferred Taxes (USD $) In Millions, unless otherwise specified	Dec. 29, 2013	Dec. 30, 2012
Deferred Taxes [Abstract]
Depreciation and amortization	$ (10.4)	$ (8.9)
Employee compensation and benefit plans	68.1	57.5
Workers' compensation	22.8	23.7
Unrealized (gain) loss on securities	(17.2)	2.3
Loss carryforwards	49.4	50.2
Credit carryforwards	82.0	60.5
Other, net	0.2	(3.6)
Valuation allowance	(56.3)	(58.4)
Net deferred tax assets	$ 138.6	$ 123.3