Note 2 - Reclassifications and Adjustments (Details) - Reclassifications and Adjustments Summary - Consolidated Statements of Net Income and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Dec. 29, 2012
Impairment and equity in net loss of unconsolidated affiliate		$ 1,033	$ 10,678	$ 1,558	$ 4,000
Income before income taxes		31,399		56,174
Income taxes	8,749	8,436	11,927	15,648
Net income	26,648	22,963	41,442	40,526
Basic Earnings per share (in Dollars per share)	$ 1.19	$ 1.05	$ 1.87	$ 1.86
Diluted Earnings per share (in Dollars per share)	$ 1.18	$ 1.04	$ 1.85	$ 1.84
Comprehensive income		14,682		41,387
Scenario, Previously Reported [Member]
Income before income taxes		32,432		57,732
Income taxes		8,828		16,239
Net income		23,604		41,493
Basic Earnings per share (in Dollars per share)		$ 1.08		$ 1.91
Diluted Earnings per share (in Dollars per share)		$ 1.07		$ 1.88
Comprehensive income		15,323		42,354
Scenario, Adjustment [Member]
Impairment and equity in net loss of unconsolidated affiliate		1,033		1,558
Income before income taxes		(1,033)		(1,558)
Income taxes		(392)		(591)
Net income		(641)		(967)
Basic Earnings per share (in Dollars per share)		$ (0.03)		$ (0.05)
Diluted Earnings per share (in Dollars per share)		$ (0.03)		$ (0.04)
Comprehensive income		$ (641)		$ (967)