Note 10 - Share Repurchases (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	6 Months Ended
Nov. 18, 2008	Mar. 30, 2013
Stock Repurchase Program, Authorized Amount	$ 25.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 24.8

The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration