Note 7 - Debt (Detail) (Unsecured Revolving Credit Facility [Member], USD $) In Millions, unless otherwise specified	Mar. 30, 2013	Jun. 13, 2011
Unsecured Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 150.0
Line of Credit Facility, Potential Maximum Borrowing Capacity		225.0
Line of Credit Facility, Remaining Borrowing Capacity	$ 55.4
Debt Instrument, Basis Spread on Variable Rate	1.25%
Line of Credit Facility, Interest Rate at Period End	1.45%