Note 7 - Debt (Details)	1 Months Ended	12 Months Ended			1 Months Ended		12 Months Ended		1 Months Ended	3 Months Ended
	Mar. 30, 2013 USD ($)	Dec. 28, 2013 USD ($)	Dec. 29, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jan. 30, 2014 Subsequent Event [Member] J.P. Morgan Securities LLC [Member] Unsecured Revolving Credit Facility [Member] USD ($)	Jan. 29, 2014 Subsequent Event [Member] J.P. Morgan Securities LLC [Member] Unsecured Revolving Credit Facility [Member] USD ($)	Dec. 28, 2013 J.P. Morgan Securities LLC [Member] Unsecured Revolving Credit Facility [Member] USD ($)	Mar. 30, 2013 J.P. Morgan Securities LLC [Member] Unsecured Revolving Credit Facility [Member] USD ($)	Mar. 30, 2013 J.P. Morgan Securities LLC [Member] USD ($)	Sep. 28, 2013 Hamlin, Inc. [Member]	Dec. 28, 2013 Hamlin, Inc. [Member] USD ($)	Dec. 28, 2013 Hamlin, Inc. [Member] CNY	Jun. 29, 2013 Hamlin, Inc. [Member] USD ($)	Jun. 29, 2013 Hamlin, Inc. [Member] CNY	Jun. 29, 2013 Hamlin, Inc. [Member] GBP (£)
Note 7 - Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					$ 275,000,000	$ 225,000,000		$ 225,000,000	$ 325,000,000
Loans Payable to Bank		98,750,000							100,000,000
Line of Credit Facility, Expiration Period									5 years
Line of Credit Facility, Remaining Borrowing Capacity							103,400,000
Debt Instrument, Basis Spread on Variable Rate							1.25%
Line of Credit Facility, Interest Rate at Period End							1.42%
Debt Issuance Cost	800,000				100,000
Line of Credit Facility, Increase in Maximum Borrowing Capacity					50,000,000
Number of Credit Lines Assumed After Acquisition													3	3	3
Line of Credit Facility, Current Borrowing Capacity (in Yuan Renminbi)											3,300,000	20,000,000	6,600,000	41,000,000
Line of Credit Facility, Current Borrowing Capacity											3,300,000	20,000,000	6,600,000	41,000,000
Number of Credit Lines Assumed After Acquisition That Expired During Period										2
Other Commitment (in Pounds)													2,700,000		1,800,000
Other Commitment													2,700,000		1,800,000
Letters of Credit Outstanding, Amount		800,000	800,000
Letters of Credit, Available Borrowing Capacity				2,300,000
Letters of Credit Facility, Amount Drawn		0
Interest Paid		$ 2,900,000	$ 1,700,000	$ 1,700,000