Note 8 - Derivative Financial Instruments (Detail) (USD $) In Millions, unless otherwise specified	Aug. 30, 2011
Derivative, Notional Amount (in Dollars)	$ 320
Derivative, Lower Fixed Interest Rate Range	1.50%
Derivative, Average Fixed Interest Rate	1.80%

Monetary amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant