Number of shares that have been repurchased during the period and are being held in treasury.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Name:	us-gaap_TreasuryStockSharesAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Note 10 - Common Stock Repurchases (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Sep. 27, 2015	Sep. 27, 2015	Jul. 09, 2013	Aug. 28, 2007
Note 10 - Common Stock Repurchases (Details) [Line Items]
Treasury Stock, Shares, Acquired	0	0
August 2007 Repurchase Plan [Member]
Note 10 - Common Stock Repurchases (Details) [Line Items]
Stock Repurchase Program, Authorized Amount				$ 100.0
July 2013 Repurchase Program [Member]
Note 10 - Common Stock Repurchases (Details) [Line Items]
Stock Repurchase Program, Authorized Amount			$ 50.0